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【英文标准名称】:Waterquality-Determinationoftetra-toocta-chlorinateddioxinsandfurans-MethodusingisotopedilutionHRGC/HRMS
【原文标准名称】:水质.三氯至八氯二氧杂环乙烯和呋喃的测定.同位素稀释HRGC/HRMS法
【标准号】:ISO18073-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-04
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC147
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;二氧杂环乙烯;实验室试验;水质;水;定义;化学分析和试验;材料试验;识别;放射性示踪法;储存;实验室;规范;同位素;稀释;化学试剂;呋喃
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiesamethodforthedeterminationoftetra-toocta-chlorinateddibenzo-pdioxins(PCDDs)anddibenzofurans(PCDFs)inwatersandwastewaters(containinglessthan1%bymasssolids)usinghigh-resolutiongaschromatography/high-resolutionmassspectrometry(HRGC/HRMS).ThisInternationalStandardisapplicabletotheseventeen2,3,7,8-substitutedPCDDs/PCDFsspecifiedinTable1.Thedetectionlimitsandquantitationlevelsinthismethodareusuallydependentonthelevelofinterferencesratherthaninstrumentallimitations.Theminimumlevels(MLs)specifiedinTable2arethelevelsatwhichthePCDDs/PCDFscanbedeterminedwithnointerferencespresent.Themethoddetectionlimit(MDL)for2,3,7,8-TCDDhasbeendeterminedas4,4pg/lbasedonthismethodusingasamplevolumeof1l.Lowerdetectionlimitsmaybeachievedbyusingalargersamplevolume.Thismethodis“performancebased”.Theanalystispermittedtomodifythemethodtoovercomeinterferencesorlowerthecostofmeasurements,providedthatallperformancecriteriainthisInternationalStandardaremet.Therequirementsforestablishingmethodequivalencyaregivenin9.1.2.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:61P;A4
【正文语种】:英语