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SulfateTestMethod:colorimetricwithteststrips(4reactionzones)200-400-800-1200-1600mg/lSO42ˉMerckoquant®
ABU52BiburetteextensionmoduleforPotentiometricTitrator,withoutBuretteStand(RadiometerAnalytical)
ArsenicTestMethod:colorimetricwithteststripsandreagents0.02-0.05-0.1-0.2-0.5mg/lAs0.1-0.5-1.0-1.7-3.0mg/lAsMerckoquant®
SeleniumreagentmixtureGR(forthedeterminationofnitrogenacc.toWieninger)
1-吡咯啶二硫羧酸铵GRforanalysis
pH-indicatorstripspH2.0-9.0non-bleedingpH2.0-2.5-3.0-3.5-4.0-4.5-5.0-5.5-6.0-6.5-7.0-7.5-8.0-8.5-9.0
玛瑙研钵
亚甲基氯气体检测管NO.138L
pHTestMethod:colorimetricwithcolour-matchingvesselpH4.5-5.0-5.5-6.0-6.5-7.0-7.5-8.0-8.5-9.0Aquamerck®
DimedoneGRforanalysis(reagentforaldehydes)
