【英文标准名称】:Liquidchlorineforindustrialuse;Determinationofwatercontent;Gravimetricmethod
【原文标准名称】:工业用液氯水含量的测定重量法
【标准号】:ISO2121-1972
【标准状态】:现行
【国别】:国际
【发布日期】:1972-07
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC47
【标准类型】:()
【标准水平】:()
【中文主题词】:化学分析;氯;水;含量测定;化学分析和试验;液化气;重量分析
【英文主题词】:Chemicalanalysisandtesting;Chlorine;Determinationofcontent;Gravimetricanalysis;Liquefiedgases;Water
【摘要】:Themethodrelatestothedeterminationofthe"volatilewater",thatwhichvolatilizesatthesametimeasthechlorine.Itisapplicabletoproductshavingawatercontentgreaterthan0,0005%(m/m).Itshouldnotbeappliedtosamplesstoredinbottlessubjecttocorrosion.Theprincipleconsistsinabsorptionofthewaterbypassingthegasifiedsampleintotaredabsorberscontainingphosphoruspentoxideormagnesiumperchlorate.Eliminationofthegaseouschlorineandvolatileimpuritiesbyflushingwithairordrynitrogenheatedto80鳦.Absorptionofthechlorineinataredbottlecontainingsodiumhydroxidesolution.Weighingoftheabsorberstodetermine,bydifferencefromtheoriginalmasses,themassofwater.
【中国标准分类号】:G10
【国际标准分类号】:71_060_10
【页数】:6P.;A4
【正文语种】:英语