ISO 10695-2000 水质部分有机氮和磷化合物的测定气相色谱法

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【英文标准名称】:Waterquality-Determinationofselectedorganicnitrogenandphosphoruscompounds-Gas-chromatographicmethods
【原文标准名称】:水质部分有机氮和磷化合物的测定气相色谱法
【标准号】:ISO10695-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-04
【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/TC147
【标准类型】:()
【标准水平】:()
【中文主题词】:氮含量;气相色谱法;测量规程;方法;色谱法;水质;测定;氮有机化合物;磷含量;磷有机化合物;水质试验;化学分析和试验;含量测定
【英文主题词】:Chemicalanalysisandtesting;Chromatography;Determination;Determinationofcontent;Determinationprocedures;Gaschromatography;Methods;Nitrogencontent;Nitrogenorganiccompounds;Phosphoruscontent;Phosphorusorganiccompounds;Waterquality;Watertesting
【摘要】:ThisInternationalStandardspecifiestwomethodsforthedeterminationofcertainorganicnitrogenandphosphoruscompoundsinwatersbygaschromatography(seeTable1).Themethodsmaybeextendedtoincludeadditionalsubstances,providedthemethodsarevalidatedforeachindividualcase.Clause3describestheliquid/liquidextractionmethod,whichisapplicabletosamplesofdrinkingwaters,groundwaters,surfacewatersandwastewaterscontainingupto0,05g/lofsuspendedsolids.Inthepresenceoforganicmatter,suspendedmatterandcolloids,interferencesaremorenumerousandconsequentlythedetectionlimitsofthismethodcanbehigher.NOTEBecauseoftheverylowconcentrationsnormallypresentinthewaters,theproblemofcontaminationisextremelyimportant.Thelowerthelevelmeasured,themoreprecautionshavetobeobserved.Clause4describestheliquid/solidextractionmethodwhichisapplicabletosamplesofgroundwater,surfacewateranddrinkingwatercontainingmassconcentrationsofabout≥0,05μg/l.Interferencesoccurringwiththeexaminationofsometypesofsurfacewatercanpreventtheapplicationofthismethod.DetectionlimitsaregivenforinformationinannexA.NOTEWhenapplyingthisInternationalStandard,theguideonanalyticalqualitycontrolforwateranalysis(seeISO/TR13530)shouldbefollowed.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:23P.;A4
【正文语种】:英语