p H 計(jì)的使用及維護(hù)，您還清楚的記得么？

portant; word-wrap: break-word !important; color: rgb(225, 117, 94); font-family: 宋體; letter-spacing: 0.2pt;">新購(gòu)置的電極使用前應(yīng)在蒸餾水中浸泡24h

portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important;">一、portant; word-wrap: break-word !important; line-height: 15.3333320617676px; font-size: 10pt;">pportant; word-wrap: break-word !important; line-height: 15.3333320617676px; letter-spacing: -1.7pt; font-size: 10pt;"> portant; word-wrap: break-word !important; line-height: 15.3333320617676px; font-size: 10pt;">Hportant; word-wrap: break-word !important; line-height: 15.3333320617676px; letter-spacing: -0.95pt; font-size: 10pt;"> portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -0.2pt; font-size: 10.5pt;">portant; word-wrap: break-word !important;">計(jì)的球泡是用極薄的特種玻璃制成 portant; word-wrap: break-word !important; line-height: 15.3333320617676px; letter-spacing: 0.2pt; font-size: 10pt;">,portant; word-wrap: break-word !important;">極易portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1pt; font-size: 10.5pt;">portant; word-wrap: break-word !important;">碰破 portant; word-wrap: break-word !important; line-height: 15.3333320617676px; font-size: 10pt;">,portant; word-wrap: break-word !important;">取下帽后要注意防止塑料保護(hù)柵內(nèi)的敏感portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -0.4pt; font-size: 10.5pt;">portant; word-wrap: break-word !important;">玻璃泡與硬物接觸 portant; word-wrap: break-word !important; line-height: 15.3333320617676px; letter-spacing: 0.5pt; font-size: 10pt;">,portant; word-wrap: break-word !important;">任何破損和擦毛都會(huì)使電極portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -0.8pt; font-size: 10.5pt;">portant; word-wrap: break-word !important;">失效 portant; word-wrap: break-word !important; line-height: 15.3333320617676px; font-size: 10pt;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -0.35pt; font-size: 10.5pt;">portant; word-wrap: break-word !important;">使用時(shí)需特別小心 portant; word-wrap: break-word !important; line-height: 15.3333320617676px; font-size: 10pt;">,portant; word-wrap: break-word !important;">切勿與它物碰撞并保持portant; word-wrap: break-word !important;">高度清潔。

portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important;">二portant; word-wrap: break-word !important;">、portant; word-wrap: break-word !important;">球泡部分有裂紋portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -0.95pt; font-size: 10.5pt;">portant; word-wrap: break-word !important;">、破碎或擦傷時(shí) portant; word-wrap: break-word !important; line-height: 15.3333320617676px; letter-spacing: 0.6pt; font-size: 10pt;">,portant; word-wrap: break-word !important;">不能使用portant; word-wrap: break-word !important; line-height: 15.3333320617676px; font-size: 10pt;">; portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -0.45pt; font-size: 10.5pt;">portant; word-wrap: break-word !important;">放置時(shí)間超過 portant; word-wrap: break-word !important; line-height: 15.3333320617676px; font-size: 10pt;">2 portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -0.95pt; font-size: 10.5pt;">portant; word-wrap: break-word !important;">年后 portant; word-wrap: break-word !important; line-height: 15.3333320617676px; font-size: 10pt;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -0.4pt; font-size: 10.5pt;">portant; word-wrap: break-word !important;">靈敏度會(huì)降低 portant; word-wrap: break-word !important; line-height: 15.3333320617676px; font-size: 10pt;">,portant; word-wrap: break-word !important;">此電極便不portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -0.65pt; font-size: 10.5pt;">portant; word-wrap: break-word !important;">能再用 portant; word-wrap: break-word !important; line-height: 15.3333320617676px; font-size: 10pt;">,portant; word-wrap: break-word !important;">否則易造成portant; word-wrap: break-word !important; line-height: 15.3333320617676px; font-size: 10pt;">p H portant; word-wrap: break-word !important;">計(jì)計(jì)量失準(zhǔn)現(xiàn)象。

portant; word-wrap: break-word !important; font-size: 16px; letter-spacing: -0.55pt; font-family: 宋體;">三portant; word-wrap: break-word !important; font-size: 16px; line-height: 18.3999996185303px; font-family: 宋體;">、portant; word-wrap: break-word !important; font-size: 10.5pt; font-family: 宋體; letter-spacing: -0.55pt;">portant; word-wrap: break-word !important;">每次測(cè)量前 portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px;">,portant; word-wrap: break-word !important; font-size: 16px; letter-spacing: 0.1pt; font-family: 宋體;">電極及試劑杯均應(yīng)充分洗凈portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: 0.45pt; top: -0.5pt;">(portant; word-wrap: break-word !important; font-size: 16px; font-family: 宋體;">最portant; word-wrap: break-word !important; font-size: 16px; letter-spacing: 0.05pt; font-family: 宋體;">好用被測(cè)溶液沖洗干凈portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: 0.2pt; top: -0.5pt;">) portant; word-wrap: break-word !important; font-size: 16px; font-family: 宋體;">。在測(cè)定弱緩沖作用的portant; word-wrap: break-word !important; font-size: 10.5pt; font-family: 宋體; letter-spacing: -0.8pt;">portant; word-wrap: break-word !important;">溶液時(shí) portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px;">,portant; word-wrap: break-word !important; font-size: 16px; letter-spacing: 0.1pt; font-family: 宋體;">玻璃電極表面往往不易平衡portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: 0.45pt; top: -0.5pt;">(portant; word-wrap: break-word !important; font-size: 16px; font-family: 宋體;">電極在測(cè)定portant; word-wrap: break-word !important; font-size: 10.5pt; font-family: 宋體; letter-spacing: -0.4pt;">portant; word-wrap: break-word !important;">前雖經(jīng)充分沖洗 portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: 0.5pt;">,portant; word-wrap: break-word !important; font-size: 16px; letter-spacing: 0.35pt; font-family: 宋體;">但讀數(shù)仍有逐漸改變的現(xiàn)象portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: 0.95pt; top: -0.5pt;">) portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px;">, portant; word-wrap: break-word !important; font-size: 10.5pt; font-family: 宋體; letter-spacing: -0.25pt;">portant; word-wrap: break-word !important;">此時(shí)宜重?fù)Q一份被測(cè)液再測(cè) portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: 0.2pt;">,portant; word-wrap: break-word !important; font-size: 10.5pt; font-family: 宋體; letter-spacing: -0.4pt;">portant; word-wrap: break-word !important;">直到讀數(shù)在 portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: -0.2pt;">1minportant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: -0.05pt;"> portant; word-wrap: break-word !important; font-size: 16px; font-family: 宋體;">內(nèi)portant; word-wrap: break-word !important; font-size: 10.5pt; font-family: 宋體; letter-spacing: -0.7pt;">portant; word-wrap: break-word !important;">改變不超 ±portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: -0.7pt;">0portant; word-wrap: break-word !important; line-height: 16.1000003814697px; letter-spacing: -0.7pt; font-size: 14px;">portant; word-wrap: break-word !important; font-family: 'Palatino Linotype';">.portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: -0.7pt;">05 portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: 0.15pt; top: -0.5pt;">(portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: 0.15pt;">pportant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: -1.6pt;"> portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: -0.2pt;">Hportant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: -0.25pt; top: -0.5pt;">) portant; word-wrap: break-word !important; font-size: 10.5pt; font-family: 宋體; letter-spacing: -0.75pt;">portant; word-wrap: break-word !important;">為止 portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: 0.5pt;">,portant; word-wrap: break-word !important; font-size: 16px; letter-spacing: 0.3pt; font-family: 宋體;">取最后一份讀數(shù)為溶portant; word-wrap: break-word !important; font-size: 16px; letter-spacing: 0.8pt; font-family: 宋體;">液的portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px;">pportant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: -1.6pt;"> portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px;">H portant; word-wrap: break-word !important; font-size: 10.5pt; font-family: 宋體; letter-spacing: -1.3pt;">portant; word-wrap: break-word !important;">值 portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: 0.7pt;">,portant; word-wrap: break-word !important; font-size: 16px; letter-spacing: 0.4pt; font-family: 宋體;">有時(shí)需換測(cè)三至五份。在測(cè)定極稀portant; word-wrap: break-word !important; font-size: 10.5pt; font-family: 宋體; letter-spacing: -0.45pt;">portant; word-wrap: break-word !important;">溶液或蒸餾水時(shí) portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: 0.5pt;">,portant; word-wrap: break-word !important; font-size: 16px; letter-spacing: 0.3pt; font-family: 宋體;">其讀數(shù)會(huì)隨校正儀器所用緩沖portant; word-wrap: break-word !important; font-size: 10.5pt; font-family: 宋體; letter-spacing: -0.85pt;">portant; word-wrap: break-word !important;">液的 portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px;">pportant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: -1.6pt;"> portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px;">H portant; word-wrap: break-word !important; font-size: 10.5pt; font-family: 宋體; letter-spacing: -0.45pt;">portant; word-wrap: break-word !important;">值而異 portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: 0.7pt;">,portant; word-wrap: break-word !important; font-size: 16px; letter-spacing: 0.4pt; font-family: 宋體;">用酸性緩沖液校正后測(cè)定值偏portant; word-wrap: break-word !important; font-size: 10.5pt; font-family: 宋體; letter-spacing: -1.25pt;">portant; word-wrap: break-word !important;">酸 portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px;">,portant; word-wrap: break-word !important; font-size: 10.5pt; font-family: 宋體; letter-spacing: -0.2pt;">portant; word-wrap: break-word !important;">而用堿性緩沖液校正后測(cè)定值偏堿 portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px;">,portant; word-wrap: break-word !important; font-size: 16px; font-family: 宋體;">因此在測(cè)portant; word-wrap: break-word !important; font-size: 10.5pt; font-family: 宋體; letter-spacing: -0.25pt;">portant; word-wrap: break-word !important;">定極稀溶液或蒸餾水時(shí) portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: 0.5pt;">,portant; word-wrap: break-word !important; font-size: 16px; letter-spacing: 0.3pt; font-family: 宋體;">應(yīng)用鄰苯二鉀酸氫鉀標(biāo)portant; word-wrap: break-word !important; font-size: 16px; letter-spacing: 0.25pt; font-family: 宋體;">準(zhǔn)緩沖液portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: 0.45pt; top: -0.5pt;">(portant; word-wrap: break-word !important; font-size: 10.5pt; font-family: 宋體; letter-spacing: -1.4pt;">portant; word-wrap: break-word !important;">在 portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px;">25portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: 0.05pt;"> portant; word-wrap: break-word !important; font-size: 10.5pt; font-family: 宋體; letter-spacing: -1.8pt;">℃時(shí) portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px;">pportant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: -1.6pt;"> portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px;">Hportant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: -0.05pt;"> = portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: 0.1pt;">4portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: -0.1pt; top: -0.5pt;">) portant; word-wrap: break-word !important; font-size: 10.5pt; font-family: 宋體; letter-spacing: -0.35pt;">portant; word-wrap: break-word !important;">校正儀器 portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: 0.5pt;">,portant; word-wrap: break-word !important; font-size: 16px; letter-spacing: 0.25pt; font-family: 宋體;">按上述法portant; word-wrap: break-word !important; font-size: 10.5pt; font-family: 宋體; letter-spacing: -0.25pt;">portant; word-wrap: break-word !important;">測(cè)定待測(cè)液 portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px;">,portant; word-wrap: break-word !important; font-size: 16px; letter-spacing: 0.3pt; font-family: 宋體;">再用硼砂標(biāo)準(zhǔn)緩沖液portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: 0.75pt; top: -0.5pt;">(portant; word-wrap: break-word !important; font-size: 10.5pt; font-family: 宋體; letter-spacing: -1.2pt;">portant; word-wrap: break-word !important;">在 portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px;">25 portant; word-wrap: break-word !important; font-size: 10.5pt; font-family: 宋體; letter-spacing: -1.7pt;">℃時(shí) portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px;">pportant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px; letter-spacing: -1.6pt;"> portant; word-wrap: break-word !important; font-size: 10pt; line-height: 15.3333320617676px;">Hportant; word-wrap: break-word !important; text-align: left; text-indent: 0pt; letter-spacing: -0.4pt; font-size: 10pt;">= portant; word-wrap: break-word !important; text-align: left; text-indent: 0pt; letter-spacing: -0.15pt; font-size: 10pt;">9portant; word-wrap: break-word !important; text-align: left; text-indent: 0pt; letter-spacing: -0.15pt; font-size: 14px;">portant; word-wrap: break-word !important; font-family: 'Palatino Linotype';">.portant; word-wrap: break-word !important; text-align: left; text-indent: 0pt; letter-spacing: -0.15pt; font-size: 10pt;">18portant; word-wrap: break-word !important; text-align: left; text-indent: 0pt; letter-spacing: -0.5pt; font-size: 10pt; top: -0.5pt;">) portant; word-wrap: break-word !important; text-align: left; text-indent: 0pt; font-family: 宋體; letter-spacing: -0.25pt; font-size: 10.5pt;">portant; word-wrap: break-word !important; font-size: 16px;">校正儀器后測(cè)定待測(cè)液 portant; word-wrap: break-word !important; text-align: left; text-indent: 0pt; letter-spacing: 0.3pt; font-size: 10pt;">,portant; word-wrap: break-word !important; text-align: left; text-indent: 0pt; letter-spacing: 0.1pt; font-family: 宋體;">有時(shí)待測(cè)液需換portant; word-wrap: break-word !important; text-align: left; text-indent: 0pt; font-size: 10.5pt; font-family: 宋體; line-height: 15.539999961853px;">portant; word-wrap: break-word !important; font-size: 16px;">五至六份 portant; word-wrap: break-word !important; text-align: left; text-indent: 0pt; font-size: 10pt; line-height: 14.8000001907349px;">,portant; word-wrap: break-word !important; text-align: left; text-indent: 0pt; font-size: 10.5pt; font-family: 宋體; line-height: 15.539999961853px;">portant; word-wrap: break-word !important; font-size: 16px;">兩次校正的最后兩份的 portant; word-wrap: break-word !important; text-align: left; text-indent: 0pt; font-size: 10pt; line-height: 14.8000001907349px;">p H portant; word-wrap: break-word !important; text-align: left; text-indent: 0pt; font-size: 10.5pt; font-family: 宋體; line-height: 15.539999961853px;">portant; word-wrap: break-word !important; font-size: 16px;">值差應(yīng)不大于 portant; word-wrap: break-word !important; text-align: left; text-indent: 0pt; font-size: 10pt; line-height: 14.8000001907349px;">0portant; word-wrap: break-word !important; text-align: left; text-indent: 0pt; line-height: 15.539999961853px; font-size: 14px;">portant; word-wrap: break-word !important; font-family: 'Palatino Linotype';">.portant; word-wrap: break-word !important; text-align: left; text-indent: 0pt; font-size: 10pt; line-height: 14.8000001907349px;">1 ,portant; word-wrap: break-word !important; text-align: left; text-indent: 0pt; line-height: 18.8700008392334px; font-family: 宋體;">取其平均值為溶液的portant; word-wrap: break-word !important; text-align: left; text-indent: 0pt; font-size: 10pt; line-height: 14.8000001907349px;">p H portant; word-wrap: break-word !important; text-align: left; text-indent: 0pt; line-height: 18.8700008392334px; font-family: 宋體;">值。

portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important;">四portant; word-wrap: break-word !important;">、portant; word-wrap: break-word !important; font-family: 宋體; font-size: 10.5pt;">portant; word-wrap: break-word !important;">在校準(zhǔn)前應(yīng)特別注意待測(cè)溶液的溫度。不同的溫度下 portant; word-wrap: break-word !important; line-height: 15.3333320617676px; font-size: 10pt;">, portant; word-wrap: break-word !important; font-family: 宋體; font-size: 10.5pt;">portant; word-wrap: break-word !important;">標(biāo)準(zhǔn)緩沖溶液的 portant; word-wrap: break-word !important; line-height: 15.3333320617676px; font-size: 10pt;">p H portant; word-wrap: break-word !important; font-family: 宋體; font-size: 10.5pt;">portant; word-wrap: break-word !important;">值是不一樣的。待測(cè)溶液的溫度必須與標(biāo)準(zhǔn)緩沖溶液相同 portant; word-wrap: break-word !important; line-height: 15.3333320617676px; font-size: 10pt;">,portant; word-wrap: break-word !important;">否則需調(diào)節(jié)溫度補(bǔ)償器置于被測(cè)溶液的溫度。

portant; word-wrap: break-word !important; font-family: 宋體; font-size: 14px;">

portant; word-wrap: break-word !important; font-family: 宋體; font-size: 14px;">①portant; word-wrap: break-word !important;">溶液溫度與定標(biāo)溫度有較大的差異時(shí)。

portant; word-wrap: break-word !important; font-size: 14px; font-family: 宋體; letter-spacing: 0px;">②portant; word-wrap: break-word !important;">電極在空氣中暴露過久 portant; word-wrap: break-word !important; font-size: 13px;">,portant; word-wrap: break-word !important; font-size: 14px; font-family: 宋體; letter-spacing: -2px;">portant; word-wrap: break-word !important;">如 portant; word-wrap: break-word !important; font-size: 13px;">0portant; word-wrap: break-word !important; font-family: 'Palatino Linotype';">portant; word-wrap: break-word !important; font-size: 14px;">.portant; word-wrap: break-word !important; font-size: 13px;">5hportant; word-wrap: break-word !important; font-size: 13px; letter-spacing: 0px;"> portant; word-wrap: break-word !important; font-size: 16px; letter-spacing: 0px; font-family: 宋體;">以上時(shí)。

portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">③portant; word-wrap: break-word !important;">定位或斜率調(diào)節(jié)器被誤動(dòng)。

portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 1px; font-size: 14px;">④portant; word-wrap: break-word !important;">測(cè)量過酸portant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 13px; top: -1px;">(portant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 13px;">pportant; word-wrap: break-word !important; letter-spacing: -2px; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 13px;">Hportant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 13px;"> < 2portant; word-wrap: break-word !important; font-size: 13px; top: -1px;">) portant; word-wrap: break-word !important;">或過堿portant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 13px; top: -1px;">(portant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 13px;">pportant; word-wrap: break-word !important; letter-spacing: -2px; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 13px;">Hportant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 13px;"> > portant; word-wrap: break-word !important; font-size: 13px;">12portant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 13px; top: -1px;">) portant; word-wrap: break-word !important;">的溶portant; word-wrap: break-word !important;">液后。

portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">⑤portant; word-wrap: break-word !important;">換過電極后。

portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important; font-family: 宋體; font-size: 14px;">⑥portant; word-wrap: break-word !important;">當(dāng)所測(cè)溶液的 portant; word-wrap: break-word !important; font-size: 13px;">pportant; word-wrap: break-word !important; letter-spacing: -2px; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 13px;">H portant; word-wrap: break-word !important;">值不在兩點(diǎn)定標(biāo)時(shí)所portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important;">選溶液的中間 portant; word-wrap: break-word !important; font-size: 13px;">,portant; word-wrap: break-word !important;">且距portant; word-wrap: break-word !important; font-size: 13px;">pportant; word-wrap: break-word !important; letter-spacing: -2px; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 13px;">Hportant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 13px;"> = portant; word-wrap: break-word !important; font-size: 13px;">7 portant; word-wrap: break-word !important;">又較遠(yuǎn)時(shí)。

portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important; letter-spacing: 0px; font-family: 宋體;">校正儀器用的標(biāo)準(zhǔn)緩沖液與測(cè)定的準(zhǔn)確度有portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px;">portant; word-wrap: break-word !important;">直接關(guān)系 portant; word-wrap: break-word !important; line-height: 18.2399997711182px;">,portant; word-wrap: break-word !important; letter-spacing: 0px; font-family: 宋體;">配制和保存標(biāo)準(zhǔn)緩沖溶液應(yīng)注意portant; word-wrap: break-word !important; line-height: 18.2399997711182px;">:

portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important; font-family: 宋體; font-size: 13px;">①portant; word-wrap: break-word !important; font-size: 13px;">pportant; word-wrap: break-word !important; letter-spacing: -2px; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 13px;">Hportant; word-wrap: break-word !important; letter-spacing: -1px; font-size: 13px;"> portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important;">標(biāo)準(zhǔn)物質(zhì)應(yīng)保存在干燥的地方 portant; word-wrap: break-word !important; letter-spacing: 1px; font-size: 13px;">,portant; word-wrap: break-word !important;">如混portant; word-wrap: break-word !important;">合磷酸鹽portant; word-wrap: break-word !important; font-size: 13px;">pportant; word-wrap: break-word !important; letter-spacing: -2px; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 13px;">Hportant; word-wrap: break-word !important; letter-spacing: -1px; font-size: 13px;"> portant; word-wrap: break-word !important;">標(biāo)準(zhǔn)物質(zhì)在空氣濕度較大時(shí)就會(huì)發(fā)portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important;">生潮解 portant; word-wrap: break-word !important; font-size: 13px;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important;">一旦出現(xiàn)潮解 portant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 13px;">,pportant; word-wrap: break-word !important; letter-spacing: -2px; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 13px;">Hportant; word-wrap: break-word !important; letter-spacing: -1px; font-size: 13px;"> portant; word-wrap: break-word !important;">標(biāo)準(zhǔn)物質(zhì)即不可使用。

portant; word-wrap: break-word !important; font-size: 14px; font-family: 宋體; letter-spacing: -1px;">②portant; word-wrap: break-word !important;">配制 portant; word-wrap: break-word !important; font-size: 13px;">pportant; word-wrap: break-word !important; font-size: 13px; letter-spacing: -2px;"> portant; word-wrap: break-word !important; font-size: 13px;">H portant; word-wrap: break-word !important; font-size: 16px; letter-spacing: 1px; font-family: 宋體;">標(biāo)準(zhǔn)溶液應(yīng)使用二次蒸餾水或portant; word-wrap: break-word !important; font-size: 14px; font-family: 宋體; letter-spacing: 0px;">portant; word-wrap: break-word !important;">者是去離子水。如果是用于 portant; word-wrap: break-word !important; font-size: 13px; letter-spacing: 0px;">0portant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important; font-family: 'Palatino Linotype';">.portant; word-wrap: break-word !important; font-size: 13px; letter-spacing: 0px;">1portant; word-wrap: break-word !important; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 16px; letter-spacing: 3px; font-family: 宋體;">級(jí)portant; word-wrap: break-word !important; font-size: 13px;">pportant; word-wrap: break-word !important; font-size: 13px; letter-spacing: -2px;"> portant; word-wrap: break-word !important; font-size: 13px;">Hportant; word-wrap: break-word !important; font-size: 13px; letter-spacing: -1px;"> portant; word-wrap: break-word !important; font-size: 14px; font-family: 宋體; letter-spacing: -1px;">portant; word-wrap: break-word !important;">計(jì)測(cè)量 portant; word-wrap: break-word !important; font-size: 13px;">,portant; word-wrap: break-word !important; font-size: 16px; font-family: 宋體;">則portant; word-wrap: break-word !important; font-size: 16px; letter-spacing: 0px; font-family: 宋體;">可以用普通蒸餾水。

portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">③portant; word-wrap: break-word !important;">配制 portant; word-wrap: break-word !important; font-size: 13px;">pportant; word-wrap: break-word !important; letter-spacing: -2px; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 13px;">H portant; word-wrap: break-word !important;">標(biāo)準(zhǔn)溶液應(yīng)使用較小的燒杯來portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important;">稀釋 portant; word-wrap: break-word !important; font-size: 13px;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important;">以減少沾在燒杯壁上的 portant; word-wrap: break-word !important; font-size: 13px;">pportant; word-wrap: break-word !important; letter-spacing: -2px; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 13px;">Hportant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 13px;"> portant; word-wrap: break-word !important;">標(biāo)準(zhǔn)液。存放portant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 13px;">pportant; word-wrap: break-word !important; letter-spacing: -2px; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 13px;">Hportant; word-wrap: break-word !important; letter-spacing: -1px; font-size: 13px;"> portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important;">標(biāo)準(zhǔn)物質(zhì)的塑料袋或其他容器 portant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 13px;">,portant; word-wrap: break-word !important;">除了應(yīng)倒干凈portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important;">以外 portant; word-wrap: break-word !important; font-size: 13px;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important;">還應(yīng)用蒸餾水多次沖洗 portant; word-wrap: break-word !important; font-size: 13px;">,portant; word-wrap: break-word !important;">然后將其倒入配制portant; word-wrap: break-word !important;">的portant; word-wrap: break-word !important; font-size: 13px;">pportant; word-wrap: break-word !important; letter-spacing: -2px; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 13px;">Hportant; word-wrap: break-word !important; letter-spacing: -1px; font-size: 13px;"> portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important;">標(biāo)準(zhǔn)溶液中 portant; word-wrap: break-word !important; font-size: 13px;">,portant; word-wrap: break-word !important;">以保證配制的portant; word-wrap: break-word !important; font-size: 13px;">pportant; word-wrap: break-word !important; letter-spacing: -2px; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 13px;">Hportant; word-wrap: break-word !important; letter-spacing: -1px; font-size: 13px;"> portant; word-wrap: break-word !important;">標(biāo)準(zhǔn)溶液準(zhǔn)portant; word-wrap: break-word !important;">確無誤。

portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">④portant; word-wrap: break-word !important;">配制好的標(biāo)準(zhǔn)緩沖溶液一般可保存 portant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 13px;">2portant; word-wrap: break-word !important;">～portant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 13px;">3 portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important;">個(gè)月 portant; word-wrap: break-word !important; letter-spacing: 1px; font-size: 13px;">,portant; word-wrap: break-word !important;">如發(fā)現(xiàn)有渾濁portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important;">、發(fā)霉或沉淀等現(xiàn)象時(shí) portant; word-wrap: break-word !important; letter-spacing: 1px; font-size: 13px;">,portant; word-wrap: break-word !important;">不能繼續(xù)使用。

portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">⑤portant; word-wrap: break-word !important;">堿性標(biāo)準(zhǔn)溶液應(yīng)裝在聚乙烯瓶中密閉保portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -2px; font-size: 14px;">portant; word-wrap: break-word !important;">存 portant; word-wrap: break-word !important; font-size: 13px;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important;">防止二氧化碳進(jìn)入標(biāo)準(zhǔn)溶液后形成碳酸 portant; word-wrap: break-word !important; font-size: 13px;">,portant; word-wrap: break-word !important;">降低portant; word-wrap: break-word !important;">其portant; word-wrap: break-word !important; font-size: 13px;">pportant; word-wrap: break-word !important; letter-spacing: -2px; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 13px;">Hportant; word-wrap: break-word !important; letter-spacing: -1px; font-size: 13px;"> portant; word-wrap: break-word !important;">值。

portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important; font-family: 宋體; font-size: 13px;">

portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important; font-family: 宋體; font-size: 13px;">①portant; word-wrap: break-word !important; font-size: 13px;">pportant; word-wrap: break-word !important; letter-spacing: -2px; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 13px;">Hportant; word-wrap: break-word !important; letter-spacing: -1px; font-size: 13px;"> portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important;">標(biāo)準(zhǔn)物質(zhì)應(yīng)保存在干燥的地方 portant; word-wrap: break-word !important; letter-spacing: 1px; font-size: 13px;">,portant; word-wrap: break-word !important;">如混portant; word-wrap: break-word !important;">合磷酸鹽portant; word-wrap: break-word !important; font-size: 13px;">pportant; word-wrap: break-word !important; letter-spacing: -2px; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 13px;">Hportant; word-wrap: break-word !important; letter-spacing: -1px; font-size: 13px;"> portant; word-wrap: break-word !important;">標(biāo)準(zhǔn)物質(zhì)在空氣濕度較大時(shí)就會(huì)發(fā)portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important;">生潮解 portant; word-wrap: break-word !important; font-size: 13px;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important;">一旦出現(xiàn)潮解 portant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 13px;">,pportant; word-wrap: break-word !important; letter-spacing: -2px; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 13px;">Hportant; word-wrap: break-word !important; letter-spacing: -1px; font-size: 13px;"> portant; word-wrap: break-word !important;">標(biāo)準(zhǔn)物質(zhì)即不可使用。

portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">②portant; word-wrap: break-word !important;">配制 portant; word-wrap: break-word !important; font-size: 13px;">pportant; word-wrap: break-word !important; letter-spacing: -2px; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 13px;">H portant; word-wrap: break-word !important;">標(biāo)準(zhǔn)溶液應(yīng)使用二次蒸餾水或portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important;">者是去離子水。如果是用于 portant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 13px;">0portant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important; font-family: 'Palatino Linotype';">.portant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 13px;">1portant; word-wrap: break-word !important; font-size: 13px;"> portant; word-wrap: break-word !important;">級(jí)portant; word-wrap: break-word !important; font-size: 13px;">pportant; word-wrap: break-word !important; letter-spacing: -2px; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 13px;">Hportant; word-wrap: break-word !important; letter-spacing: -1px; font-size: 13px;"> portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important;">計(jì)測(cè)量 portant; word-wrap: break-word !important; font-size: 13px;">,portant; word-wrap: break-word !important;">則portant; word-wrap: break-word !important;">可以用普通蒸餾水。

portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">③portant; word-wrap: break-word !important;">配制 portant; word-wrap: break-word !important; font-size: 13px;">pportant; word-wrap: break-word !important; letter-spacing: -2px; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 13px;">H portant; word-wrap: break-word !important;">標(biāo)準(zhǔn)溶液應(yīng)使用較小的燒杯來portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important;">稀釋 portant; word-wrap: break-word !important; font-size: 13px;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important;">以減少沾在燒杯壁上的 portant; word-wrap: break-word !important; font-size: 13px;">pportant; word-wrap: break-word !important; letter-spacing: -2px; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 13px;">Hportant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 13px;"> portant; word-wrap: break-word !important;">標(biāo)準(zhǔn)液。存放portant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 13px;">pportant; word-wrap: break-word !important; letter-spacing: -2px; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 13px;">Hportant; word-wrap: break-word !important; letter-spacing: -1px; font-size: 13px;"> portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important;">標(biāo)準(zhǔn)物質(zhì)的塑料袋或其他容器 portant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 13px;">,portant; word-wrap: break-word !important;">除了應(yīng)倒干凈portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important;">以外 portant; word-wrap: break-word !important; font-size: 13px;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important;">還應(yīng)用蒸餾水多次沖洗 portant; word-wrap: break-word !important; font-size: 13px;">,portant; word-wrap: break-word !important;">然后將其倒入配制portant; word-wrap: break-word !important;">的portant; word-wrap: break-word !important; font-size: 13px;">pportant; word-wrap: break-word !important; letter-spacing: -2px; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 13px;">Hportant; word-wrap: break-word !important; letter-spacing: -1px; font-size: 13px;"> portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important;">標(biāo)準(zhǔn)溶液中 portant; word-wrap: break-word !important; font-size: 13px;">,portant; word-wrap: break-word !important;">以保證配制的portant; word-wrap: break-word !important; font-size: 13px;">pportant; word-wrap: break-word !important; letter-spacing: -2px; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 13px;">Hportant; word-wrap: break-word !important; letter-spacing: -1px; font-size: 13px;"> portant; word-wrap: break-word !important;">標(biāo)準(zhǔn)溶液準(zhǔn)portant; word-wrap: break-word !important;">確無誤。

portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">④portant; word-wrap: break-word !important;">配制好的標(biāo)準(zhǔn)緩沖溶液一般可保存 portant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 13px;">2portant; word-wrap: break-word !important;">～portant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 13px;">3 portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important;">個(gè)月 portant; word-wrap: break-word !important; letter-spacing: 1px; font-size: 13px;">,portant; word-wrap: break-word !important;">如發(fā)現(xiàn)有渾濁portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important;">、發(fā)霉或沉淀等現(xiàn)象時(shí) portant; word-wrap: break-word !important; letter-spacing: 1px; font-size: 13px;">,portant; word-wrap: break-word !important;">不能繼續(xù)使用。

portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">⑤portant; word-wrap: break-word !important;">堿性標(biāo)準(zhǔn)溶液應(yīng)裝在聚乙烯瓶中密閉保portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -2px; font-size: 14px;">portant; word-wrap: break-word !important;">存 portant; word-wrap: break-word !important; font-size: 13px;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important;">防止二氧化碳進(jìn)入標(biāo)準(zhǔn)溶液后形成碳酸 portant; word-wrap: break-word !important; font-size: 13px;">,portant; word-wrap: break-word !important;">降低portant; word-wrap: break-word !important;">其portant; word-wrap: break-word !important; font-size: 13px;">pportant; word-wrap: break-word !important; letter-spacing: -2px; font-size: 13px;"> portant; word-wrap: break-word !important; font-size: 13px;">Hportant; word-wrap: break-word !important; letter-spacing: -1px; font-size: 13px;"> portant; word-wrap: break-word !important;">值。

portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important;">⑥電極的引出端必須保持清潔和干燥 portant; word-wrap: break-word !important; line-height: 14.9499998092651px; letter-spacing: 1px; font-size: 13px;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important;">以免降低絕緣性能。應(yīng)防止輸出兩端短路 portant; word-wrap: break-word !important; line-height: 14.9499998092651px; font-size: 13px;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important;">否則 portant; word-wrap: break-word !important; line-height: 14.9499998092651px; font-size: 13px;">,portant; word-wrap: break-word !important;">會(huì)造成portant; word-wrap: break-word !important; line-height: 14.9499998092651px; font-size: 13px;">p H portant; word-wrap: break-word !important;">計(jì)測(cè)量失準(zhǔn)或測(cè)量失敗。

portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important;">⑦短期內(nèi)不用時(shí) portant; word-wrap: break-word !important; letter-spacing: 1px; font-size: 13px;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important;">可充分浸泡在蒸餾水或 portant; word-wrap: break-word !important; font-size: 14px;">portant; word-wrap: break-word !important; font-family: Helvetica; letter-spacing: 0px;">1portant; word-wrap: break-word !important; font-family: Helvetica; letter-spacing: 1px;"> portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px;">×portant; word-wrap: break-word !important; font-family: Helvetica; letter-spacing: 0px;">10^{portant; word-wrap: break-word !important; font-family: Helvetica; letter-spacing: -2px; vertical-align: super;">} portant; word-wrap: break-word !important; font-size: 10px;">^{portant; word-wrap: break-word !important; font-family: Helvetica; letter-spacing: 1px; vertical-align: super;">-portant; word-wrap: break-word !important; font-family: Helvetica; letter-spacing: 1px; vertical-align: super;"> portant; word-wrap: break-word !important; font-family: Helvetica; letter-spacing: 0px; vertical-align: super;">4portant; word-wrap: break-word !important; font-family: Helvetica; letter-spacing: -1px; vertical-align: super;">} portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important; font-size: 16px;">鹽酸溶液中。但若長(zhǎng)期不用 portant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 13px;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important; font-size: 16px;">應(yīng)將其干放 portant; word-wrap: break-word !important; letter-spacing: 0px; font-size: 13px;">,portant; word-wrap: break-word !important; font-family: 宋體;">切portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 16px;">忌用洗滌液或其他吸水性試劑浸洗 portant; word-wrap: break-word !important;">,portant; word-wrap: break-word !important;">應(yīng)避免電極portant; word-wrap: break-word !important;">長(zhǎng)期浸在蒸餾水portant; word-wrap: break-word !important;">、蛋白質(zhì)溶液或酸性氟化物溶液portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 16px;">中 portant; word-wrap: break-word !important;">,portant; word-wrap: break-word !important;">并防止與有機(jī)硅油脂接觸。

portant; word-wrap: break-word !important;">⑧電極在測(cè)定堿性溶液和測(cè)量濃度較大的溶液portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 16px;">時(shí) portant; word-wrap: break-word !important;">,portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 16px;">盡量縮短測(cè)量時(shí)間 portant; word-wrap: break-word !important;">,portant; word-wrap: break-word !important;">portant; word-wrap: break-word !important; font-size: 16px;">用后仔細(xì)清洗 portant; word-wrap: break-word !important;">,portant; word-wrap: break-word !important;">防止待測(cè)液粘附在電極上而污染電極。

portant; word-wrap: break-word !important; line-height: 19.7199993133545px; letter-spacing: 0.05pt; font-family: 宋體;">⑨一般不應(yīng)用玻璃電極測(cè)強(qiáng)堿性溶液portant; word-wrap: break-word !important; line-height: 15.4666662216187px; letter-spacing: 0.15pt; font-size: 10pt; top: -0.5pt;">(portant; word-wrap: break-word !important; line-height: 15.4666662216187px; letter-spacing: 0.15pt; font-size: 10pt;">p portant; word-wrap: break-word !important; line-height: 15.4666662216187px; font-size: 10pt;">Hportant; word-wrap: break-word !important; line-height: 15.4666662216187px; letter-spacing: -0.15pt; font-size: 10pt;"> = portant; word-wrap: break-word !important; line-height: 15.4666662216187px; font-size: 10pt;">11 portant; word-wrap: break-word !important; line-height: 19.7199993133545px; font-family: 宋體;">以上portant; word-wrap: break-word !important; line-height: 15.4666662216187px; letter-spacing: 0.85pt; font-size: 10pt; top: -0.5pt;">) portant; word-wrap: break-word !important; line-height: 15.4666662216187px; font-size: 10pt;">,portant; word-wrap: break-word !important; font-family: 宋體; line-height: 16.2399997711182px; letter-spacing: -0.25pt; font-size: 10.5pt;">portant; word-wrap: break-word !important; font-size: 16px;">如必須測(cè)定應(yīng)盡量快速測(cè) portant; word-wrap: break-word !important; line-height: 15.4666662216187px; font-size: 10pt;">,portant; word-wrap: break-word !important; font-family: 宋體; line-height: 16.2399997711182px; letter-spacing: -0.7pt; font-size: 10.5pt;">portant; word-wrap: break-word !important; font-size: 16px;">使用后 portant; word-wrap: break-word !important; line-height: 15.4666662216187px; font-size: 10pt;">,portant; word-wrap: break-word !important; line-height: 19.7199993133545px; font-family: 宋體;">球部應(yīng)portant; word-wrap: break-word !important; font-family: 宋體; line-height: 16.2399997711182px; letter-spacing: -1.4pt; font-size: 10.5pt;">portant; word-wrap: break-word !important; font-size: 16px;">以 portant; word-wrap: break-word !important; line-height: 15.4666662216187px; letter-spacing: -0.05pt; font-size: 10pt;">1portant; word-wrap: break-word !important; line-height: 15.4666662216187px; letter-spacing: -1.6pt; font-size: 10pt;">mportant; word-wrap: break-word !important; line-height: 15.4666662216187px; letter-spacing: -0.15pt; font-size: 10pt;">oportant; word-wrap: break-word !important; line-height: 15.4666662216187px; letter-spacing: -0.55pt; font-size: 10pt;">lportant; word-wrap: break-word !important; font-family: 宋體; line-height: 16.2399997711182px; letter-spacing: -4.6pt; font-size: 10.5pt;">/  portant; word-wrap: break-word !important; line-height: 15.4666271209717px; font-size: 13.3333px;">portant; word-wrap: break-word !important; font-family: 'Times New Roman';">Lportant; word-wrap: break-word !important; font-family: 宋體; line-height: 16.2399997711182px; letter-spacing: -0.35pt; font-size: 10.5pt;">portant; word-wrap: break-word !important; font-size: 16px;">鹽酸液浸泡片刻 portant; word-wrap: break-word !important; line-height: 15.4666662216187px; letter-spacing: 0.3pt; font-size: 10pt;">,portant; word-wrap: break-word !important; line-height: 19.7199993133545px; letter-spacing: 0.15pt; font-family: 宋體;">再用蒸餾水洗凈。電極也不能用于測(cè)量強(qiáng)酸或其他腐蝕性溶液。

portant; word-wrap: break-word !important; letter-spacing: 0.25pt; font-family: 宋體;">⑩電極插頭上的有機(jī)玻璃管有優(yōu)良的絕緣性portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1.65pt; font-size: 10.5pt;">portant; word-wrap: break-word !important; font-size: 16px;">能 portant; word-wrap: break-word !important; line-height: 15.4666662216187px; font-size: 10pt;">,portant; word-wrap: break-word !important; letter-spacing: 0.1pt; font-family: 宋體;">切忌與脫水性介質(zhì)如無水乙醇portant; word-wrap: break-word !important; letter-spacing: -1.05pt; font-family: 宋體;">、重鉻酸鉀等使portant; word-wrap: break-word !important; letter-spacing: -0.7pt; font-family: 宋體;">用或與油污接觸。

portant; word-wrap: break-word !important; letter-spacing: -0.05pt; font-family: 宋體;">

portant; word-wrap: break-word !important; letter-spacing: -0.05pt; font-family: 宋體;">被測(cè)溶液中如含有易污染敏感球泡或堵塞液portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -0.55pt; font-size: 10.5pt;">portant; word-wrap: break-word !important; font-size: 16px;">接界的物質(zhì) portant; word-wrap: break-word !important; line-height: 15.4666662216187px; font-size: 10pt;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -0.45pt; font-size: 10.5pt;">portant; word-wrap: break-word !important; font-size: 16px;">而使電極鈍化 portant; word-wrap: break-word !important; line-height: 15.4666662216187px; font-size: 10pt;">,portant; word-wrap: break-word !important; font-family: 宋體;">其現(xiàn)象是敏感梯度降portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1.3pt; font-size: 10.5pt;">portant; word-wrap: break-word !important; font-size: 16px;">低 portant; word-wrap: break-word !important; line-height: 15.4666662216187px; letter-spacing: -0.2pt; font-size: 10pt;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -0.05pt; font-size: 10.5pt;">portant; word-wrap: break-word !important; font-size: 16px;">或讀數(shù)不準(zhǔn)。如此 portant; word-wrap: break-word !important; line-height: 15.4666662216187px; letter-spacing: -0.8pt; font-size: 10pt;">, portant; word-wrap: break-word !important; letter-spacing: 0.5pt; font-family: 宋體;">則應(yīng)根據(jù)污染物質(zhì)的性portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1.3pt; font-size: 10.5pt;">portant; word-wrap: break-word !important; font-size: 16px;">質(zhì) portant; word-wrap: break-word !important; line-height: 15.4666662216187px; font-size: 10pt;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -0.35pt; font-size: 10.5pt;">portant; word-wrap: break-word !important; font-size: 16px;">以適當(dāng)溶液清洗 portant; word-wrap: break-word !important; line-height: 15.4666662216187px; font-size: 10pt;">,portant; word-wrap: break-word !important; letter-spacing: 0.2pt; font-family: 宋體;">使之復(fù)新。

portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important;">

portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important;">注意portant; word-wrap: break-word !important; line-height: 15.4666662216187px; letter-spacing: 0.4pt; font-size: 10pt;">:portant; word-wrap: break-word !important;">選用清洗劑時(shí)應(yīng)避免有污染物的清洗portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1.5pt; font-size: 10.5pt;">portant; word-wrap: break-word !important;">劑 portant; word-wrap: break-word !important; line-height: 15.4666662216187px; font-size: 10pt;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -0.2pt; font-size: 10.5pt;">portant; word-wrap: break-word !important;">因?yàn)槲廴疚锿吭诿舾胁Ａ蚺萆?nbsp;portant; word-wrap: break-word !important; line-height: 15.4666662216187px; font-size: 10pt;">,portant; word-wrap: break-word !important;">會(huì)使電極失portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -0.3pt; font-size: 10.5pt;">portant; word-wrap: break-word !important;">效。污染物質(zhì)和清洗參看表 portant; word-wrap: break-word !important; line-height: 15.4666662216187px; font-size: 10pt;">1portant; word-wrap: break-word !important; line-height: 15.4666662216187px; letter-spacing: 0.05pt; font-size: 10pt;"> ,portant; word-wrap: break-word !important;">供參考。

portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important;">電極經(jīng)長(zhǎng)期使用后 portant; word-wrap: break-word !important; line-height: 15.0799999237061px; font-size: 13px;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important;">如發(fā)現(xiàn)梯度略有降低 portant; word-wrap: break-word !important; line-height: 15.0799999237061px; font-size: 13px;">,portant; word-wrap: break-word !important;">則portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important;">可把電極下端浸泡在 portant; word-wrap: break-word !important; line-height: 15.0799999237061px; font-size: 13px;">4portant; word-wrap: break-word !important; line-height: 15.0799999237061px; letter-spacing: 0px; font-size: 13px;"> %portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important;">氫氟酸中 portant; word-wrap: break-word !important; line-height: 15.0799999237061px; letter-spacing: 0px; font-size: 13px;">3portant; word-wrap: break-word !important;">～portant; word-wrap: break-word !important; line-height: 15.0799999237061px; letter-spacing: 0px; font-size: 13px;">5s ,portant; word-wrap: break-word !important;">用蒸餾portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important;">水洗凈 portant; word-wrap: break-word !important; line-height: 15.0799999237061px; font-size: 13px;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important;">然后在氯化鉀溶液中浸泡 portant; word-wrap: break-word !important; line-height: 15.0799999237061px; font-size: 13px;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important;">使之復(fù)新。用氫氟酸浸蝕掉外層膠層 portant; word-wrap: break-word !important; line-height: 15.0799999237061px; letter-spacing: 1px; font-size: 13px;">,portant; word-wrap: break-word !important;">經(jīng)常能改善電極性能。portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important;">若能用此法定期清除內(nèi)外層膠層 portant; word-wrap: break-word !important; line-height: 15.0799999237061px; letter-spacing: 1px; font-size: 13px;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important;">則電極的壽命幾乎是無限的。清洗電極后 portant; word-wrap: break-word !important; line-height: 15.0799999237061px; letter-spacing: 1px; font-size: 13px;">,portant; word-wrap: break-word !important;">不要用濾紙擦試玻portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important;">璃膜 portant; word-wrap: break-word !important; line-height: 15.0799999237061px; letter-spacing: 1px; font-size: 13px;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important;">而應(yīng)用濾紙吸干 portant; word-wrap: break-word !important; line-height: 15.0799999237061px; letter-spacing: 1px; font-size: 13px;">,portant; word-wrap: break-word !important;">避免損壞玻璃薄膜portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -3px; font-size: 14px;">portant; word-wrap: break-word !important;">、防止交叉污染 portant; word-wrap: break-word !important; line-height: 15.0799999237061px; font-size: 13px;">,portant; word-wrap: break-word !important;">影響測(cè)量精度。然后將電極浸入被測(cè)portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important;">溶液中 portant; word-wrap: break-word !important; line-height: 15.0799999237061px; font-size: 13px;">,portant; word-wrap: break-word !important;">輕輕搖勻。

portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important;">測(cè)量時(shí) portant; word-wrap: break-word !important; line-height: 15.0799999237061px; font-size: 13px;">,portant; word-wrap: break-word !important;">應(yīng)避免電極的敏感玻璃泡與容器接portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -2px; font-size: 14px;">portant; word-wrap: break-word !important;">觸 portant; word-wrap: break-word !important; line-height: 15.0799999237061px; font-size: 13px;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: -1px; font-size: 14px;">portant; word-wrap: break-word !important;">測(cè)量后 portant; word-wrap: break-word !important; line-height: 15.0799999237061px; letter-spacing: 1px; font-size: 13px;">,portant; word-wrap: break-word !important; font-family: 宋體; letter-spacing: 0px; font-size: 14px;">portant; word-wrap: break-word !important;">應(yīng)及時(shí)將電極套套上 portant; word-wrap: break-word !important; line-height: 15.0799999237061px; letter-spacing: 1px; font-size: 13px;">,portant; word-wrap: break-word !important;">套內(nèi)應(yīng)放少量補(bǔ)充液以保持電極球泡的濕潤(rùn)。

portant; word-wrap: break-word !important; font-size: 16px;">portant; word-wrap: break-word !important; font-family: 宋體; font-size: 14px;">portant; word-wrap: break-word !important;">搬動(dòng)儀器應(yīng)將量程選擇開關(guān)置于“portant; word-wrap: break-word !important; line-height: 15.0799999237061px; font-size: 13px;">0 portant; word-wrap: break-word !important; font-family: 宋體; font-size: 14px;">portant; word-wrap: break-word !important;">位”portant; word-wrap: break-word !important; line-height: 15.0799999237061px; font-size: 13px;">,portant; word-wrap: break-word !important; font-family: 宋體; font-size: 14px;">portant; word-wrap: break-word !important;">此時(shí)已將電表斷路 portant; word-wrap: break-word !important; line-height: 15.0799999237061px; font-size: 13px;">,portant; word-wrap: break-word !important;">以保證移動(dòng)時(shí)電表的安全。