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【英文标准名称】:Workplaceair-Determinationofhexavalentchromiuminairborneparticulatematter-Methodbyionchromatographyandspectrophotometricmeasurementusingdiphenylcarbazide
【原文标准名称】:工作场所空气.气载颗粒物质中六价铬的测定.用二苯基卡巴胼的离子色谱法和光谱测定法
【标准号】:ISO16740-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-02
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC146
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiesamethodforthedeterminationofthetime-weightedaveragemassconcentrationofhexavalentchromiuminworkplaceair.Separatesamplepreparationmethodsarespecifiedfortheextractionofsolubleandinsolublehexavalentchromium.Themethodforinsolublehexavalentchromiumcanalsobeusedtopreparesamplesfordeterminationoftotalhexavalentchromium,ifdesired.ThisInternationalStandardisapplicabletothepersonalsamplingoftheinhalablefractionofairborneparticles,asdefinedinISO7708,andtostatic(area)sampling.Theanalyticalmethodisapplicabletothedeterminationofmassesof0,01μgto10μgofhexavalentchromiumpersample,withoutdilution.Theconcentrationrangeofhexavalentchromiuminairforwhichthemeasuringprocedureisapplicableisdeterminedbythesamplingmethodselectedbytheuser(see10.1).Fora1m3airsample,withoutsampledilution,theworkingrangeisapproximately0,01μg?m?3to10μg?m?3.
【中国标准分类号】:Z15
【国际标准分类号】:13_040_30
【页数】:40P;A4
【正文语种】:英语