ASTM D4309-2002(2007) 为测定水中总的金属含量用密闭容器微波加热技术煮解样品的标准规程
作者:标准资料网 时间:2024-05-12 19:25:54 浏览:9730
来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardPracticeforSampleDigestionUsingClosedVesselMicrowaveHeatingTechniquefortheDeterminationofTotalMetalsinWater
【原文标准名称】:为测定水中总的金属含量用密闭容器微波加热技术煮解样品的标准规程
【标准号】:ASTMD4309-2002(2007)
【标准状态】:现行
【国别】:
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D19.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:水质;试验;金属含量
【英文主题词】:digestion;metals;microwave;vessel
【摘要】:Theanalysisofmanytypesofwaterformetalsusingflameatomicabsorptionspectrophotometry,inductivelycoupledplasmaemissionspectrophotometry,directcurrentplasmaemissionspectrophotometry,orgraphitefurnaceatomicabsorptionspectrophotometrynecessitatestheuseofadigestionpracticeinordertoensuretheproperstatisticalrecoveryofthemetalsfromthesamplematrix.Theuseofclosedvesselmicrowavetechniqueswillspeedthecompleterecoveryofmetalsfromthewatermatricesandeliminatesamplecontaminationfromexternalsources.1.1Thispracticecoversthegeneralconsiderationsforquantitativesampledigestionfortotalmetalsinwaterusingclosedvesselmicrowaveheatingtechnique.Thispracticeisapplicabletosurface,saline,domestic,andindustrialwastewater.1.2Becauseofthedifferencesamongvariousmakesandmodelsofsatisfactoryinstruments,nodetailedoperatinginstructionscanbeprovided.Instead,theanalystshouldfollowtheinstructionsprovidedbythemanufactureroftheparticularinstrument.1.3ThispracticecanbeusedwiththefollowingASTMstandards,providingtheuserdeterminesprecisionandbiasbasedonthisdigestionpractice:TestMethodsD857,TestMethodsD858,TestMethodsD1068,SpecificationD1192,TestMethodsD1687,TestMethodsD1688,TestMethodsD1691,TestMethodsD1886,PracticesD3370,TestMethodsD3557,TestMethodsD3559,PracticeD3919,TestMethodsD4190,PracticeD4453,andPracticeD4691.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection9.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:7P.;A4
【正文语种】:
【原文标准名称】:为测定水中总的金属含量用密闭容器微波加热技术煮解样品的标准规程
【标准号】:ASTMD4309-2002(2007)
【标准状态】:现行
【国别】:
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D19.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:水质;试验;金属含量
【英文主题词】:digestion;metals;microwave;vessel
【摘要】:Theanalysisofmanytypesofwaterformetalsusingflameatomicabsorptionspectrophotometry,inductivelycoupledplasmaemissionspectrophotometry,directcurrentplasmaemissionspectrophotometry,orgraphitefurnaceatomicabsorptionspectrophotometrynecessitatestheuseofadigestionpracticeinordertoensuretheproperstatisticalrecoveryofthemetalsfromthesamplematrix.Theuseofclosedvesselmicrowavetechniqueswillspeedthecompleterecoveryofmetalsfromthewatermatricesandeliminatesamplecontaminationfromexternalsources.1.1Thispracticecoversthegeneralconsiderationsforquantitativesampledigestionfortotalmetalsinwaterusingclosedvesselmicrowaveheatingtechnique.Thispracticeisapplicabletosurface,saline,domestic,andindustrialwastewater.1.2Becauseofthedifferencesamongvariousmakesandmodelsofsatisfactoryinstruments,nodetailedoperatinginstructionscanbeprovided.Instead,theanalystshouldfollowtheinstructionsprovidedbythemanufactureroftheparticularinstrument.1.3ThispracticecanbeusedwiththefollowingASTMstandards,providingtheuserdeterminesprecisionandbiasbasedonthisdigestionpractice:TestMethodsD857,TestMethodsD858,TestMethodsD1068,SpecificationD1192,TestMethodsD1687,TestMethodsD1688,TestMethodsD1691,TestMethodsD1886,PracticesD3370,TestMethodsD3557,TestMethodsD3559,PracticeD3919,TestMethodsD4190,PracticeD4453,andPracticeD4691.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection9.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:7P.;A4
【正文语种】:
下载地址: 点击此处下载