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【英文标准名称】:Soilquality-Determinationofcyanide
【原文标准名称】:土壤质量.氰化物的测定
【标准号】:BSISO11262-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-09-25
【实施或试行日期】:2003-09-25
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:土壤;测定;土壤普查;氰化氢;定义;土壤组分;质量;光度测量法;滴定法;试验;氰化物
【英文主题词】:Compositionoftheground;Cyanides;Definition;Definitions;Determination;Hydrogencyanide;Photometry;Quality;Soilsurveys;Soils;Testing;Tests;Titrimetry
【摘要】:ThisInternationalStandardisapplicabletoas-receivedsoilsamples,andspecifiestwoquantificationmethodsforthedeterminationofeasilyreleasedandcomplexcyanides.Itisnotalwaysnecessarytodetermineeasilyreleasedcyanidepriortothemeasurementofcomplexcyanide.Inthisinstance,thefirstpartofthedistillationprocessisomittedsothatonlythetotalcyanideisdetermined.Themethodsareapplicabletosoilcontainingbetween0,5mg/kgand10000mg/kgoftotalcyanide.Themethodsandcorrespondingrangesofcyanideinthealiquottakenfromtherelevantabsorptionsolutionareasfollows:a)photometricmethod:Thismethodisapplicableforcyanidecontentsof0,5mg/kgto50mg/kgintheoriginalfield-moistsample.b)titrimetricmethodusinganindicator:Thismethodisapplicableforcyanidecontentsofabove50mg/kgintheoriginalfield-moistsample.
【中国标准分类号】:B11
【国际标准分类号】:13_080_10
【页数】:28P;A4
【正文语种】:英语