文档介绍：工业循环水水质分析guidesexfurtherenhanced,documentshandleandrunningofspeedobviouslyspeedup,programgraduallyspecification,conferenceserviceandChiefreceptionofqualityandlevelhashasnewofimprove,,confidential,confidentiality,duty,,,hasdevelopedaseriesofcodeofconduct,continuousimprovementofoperationalmechanism,soundandtheimplementationoftherulesandregulations,andadheretothesystemofmanagingpeople,accordingtotherules,,andactivelycarriedoutvariousbusinesstraining,knowledgeoftheOfficeteamstructurehasbeenoptimized,tobroadentherangeofknowledgeandoperationalcapacitygrows,nurturedapoliticalfirm,sharp,professionalandinnovativestaff,createdsolidarity,strivingforthetop,pragmatic,dedication,,withtheStateCouncilandtheprovincialGovernmentofthenational,theprovince'sSecretary-Generalmeetingofgovernmentofficesunderthenewsituation工业循环水水质化验项目及方法循环冷却水PH值的测定方法方法:、电极梗旋入电极梗插座,调节电极夹到适当位置。b、复合电极夹在电极夹上拉下电极前端的电极套。c、用蒸水清洗电极,清洗后用滤纸吸干。、电源线插入电源插座。b、按下电源开关,电源接通后,预热30min,接着进行标定。,先要标定,一般来说,仪器在连续使用时,每天要标定一次。a)在测量电极插座处拨去短路插座;b)在测量电极插座处插上复合电极;c)把选择开关旋钮调到PH档;d)调节温度补偿旋钮,使旋钮白线对准溶液温度值;e)把斜率调节旋钮顺时针旋到底(即调到100%位置);f)把清洗过的电极插入PH,;g)调节定位调节旋,使仪器显示读数与该缓冲溶液当时温定下降时的PH值相一致(如用混合磷酸定位温度为100C时,PH=);h)用蒸馏水清洗过的电极,再插入PH,(或PH,)的标准溶液中,调节斜率旋钮使仪器显示读数与该缓冲溶液中当时温度下的PH值一致。i)重复(f)--(h)直至不用再调节定位或斜率两调节旋钮为止。j)仪器完成标定。,即可用来测定被测溶液,被测溶液与标定溶液温度相同与否,测量步骤也有所不同。(1)被测溶液与定位溶液温度相同时,测量步骤如下:?用馏水洗电极头部,用被测溶液清洗一次;?把电极浸入被测溶液中,用玻璃棒搅拌溶液,使溶液均匀,在显示屏上读出溶液的PH值。(2)被测溶液和定位溶液温度不相同时,测量步骤如下:?电极头部,用被测溶液清洗一次;?用温度计测出被测溶液的温度值?调节“温度”调节旋钮(8),使白线对准补测溶液的温度值。guidesexfurtherenhanced,documentshandleandrunningofspeedobvi