ASTM D7645-2010 液相色谱/串联质谱法测定水中涕灭威,涕灭威砜,涕灭威亚砜,克百威,灭多威,杀线威和久效威的标准试验方法
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【英文标准名称】:StandardTestMethodforDeterminationofAldicarb,AldicarbSulfone,AldicarbSulfoxide,Carbofuran,Methomyl,OxamylandThiofanoxinWaterbyLiquidChromatography/TandemMassSpectrometry(LC/MS/MS)
【原文标准名称】:液相色谱/串联质谱法测定水中涕灭威,涕灭威砜,涕灭威亚砜,克百威,灭多威,杀线威和久效威的标准试验方法
【标准号】:ASTMD7645-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:D19.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:氨基甲酸酯;液相色谱法;质谱测定法;水
【英文主题词】:carbamates;liquidchromatography;massspectrometry;water
【摘要】:ThistestmethodhasbeendevelopedinsupportoftheNationalHomelandSecurityResearchCenter,USEPAbyRegion5ChicagoRegionalLaboratory(CRL).TheN-methylcarbamate(NMC)pesticides:aldicarb,carbofuran,methomyl,oxamyl,andthiofanoxhavebeenidentifiedbyEPAasworkingthroughacommonmechanism.Theseaffectthenervoussystembyreducingtheabilityofenzymes.EnzymeinhibitionwastheprimarytoxicologicaleffectofregulatoryconcerntoEPAinassessingtheNMCx2019;sfood,drinkingwater,andresidentialrisks.Inmostofthecountry,NMCresiduesindrinkingwatersourcesareatlevelsthatarenotlikelytocontributesubstantiallytothemulti-pathwaycumulativeexposure.Shallowprivatewellsextendingthroughhighlypermeablesoilsintoshallow,acidicgroundwaterrepresentwhattheEPAbelievestobethemostvulnerabledrinkingwater.Aldicarbsulfoneandaldicarbsulfoxidearebreakdownproductsofaldicarbandshouldalsobemonitoredduetotheirtoxicologicaleffects.Thismethodhasbeeninvestigatedforusewithreagent,surface,anddrinkingwaterfortheselectedcarbamates:aldicarb,aldicarbsulfone,aldicarbsulfoxide,carbofuran,methomyl,oxamylandthiofanox.1.1Thistestmethodcoversthedeterminationofaldicarb,aldicarbsulfone,aldicarbsulfoxide,carbofuran,methomyl,oxamyl,andthiofanox(referredtocollectivelyascarbamatesinthistestmethod)inwaterbydirectinjectionusingliquidchromatography(LC)anddetectedwithtandemmassspectrometry(MS/MS).Theseanalytesarequalitativelyandquantitativelydeterminedbythismethod.Thismethodadherestomultiplereactionmonitoring(MRM)massspectrometry.1.2TheDetectionVerificationLevel(DVL)andReportingRangeforthecarbamatesarelistedinTable1.1.2.1TheDVLisrequiredtobeataconcentrationatleast3timesbelowtheReportingLimit(RL)andhaveasignal/noiseratiogreaterthan3:1.Fig.1displaysthesignal/noiseratiosoftheprimarysinglereactionmonitoring(SRM)transitions,andFig.2displaystheconfirmatorySRMtransitionsattheDVLsforthecarbamates.1.2.2ThereportinglimitistheconcentrationoftheLevel1calibrationstandardasshowninTable2forthecarbamates.1.3Units8212;ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C51
【国际标准分类号】:13_060_50
【页数】:12P.;A4
【正文语种】:
【原文标准名称】:液相色谱/串联质谱法测定水中涕灭威,涕灭威砜,涕灭威亚砜,克百威,灭多威,杀线威和久效威的标准试验方法
【标准号】:ASTMD7645-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:D19.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:氨基甲酸酯;液相色谱法;质谱测定法;水
【英文主题词】:carbamates;liquidchromatography;massspectrometry;water
【摘要】:ThistestmethodhasbeendevelopedinsupportoftheNationalHomelandSecurityResearchCenter,USEPAbyRegion5ChicagoRegionalLaboratory(CRL).TheN-methylcarbamate(NMC)pesticides:aldicarb,carbofuran,methomyl,oxamyl,andthiofanoxhavebeenidentifiedbyEPAasworkingthroughacommonmechanism.Theseaffectthenervoussystembyreducingtheabilityofenzymes.EnzymeinhibitionwastheprimarytoxicologicaleffectofregulatoryconcerntoEPAinassessingtheNMCx2019;sfood,drinkingwater,andresidentialrisks.Inmostofthecountry,NMCresiduesindrinkingwatersourcesareatlevelsthatarenotlikelytocontributesubstantiallytothemulti-pathwaycumulativeexposure.Shallowprivatewellsextendingthroughhighlypermeablesoilsintoshallow,acidicgroundwaterrepresentwhattheEPAbelievestobethemostvulnerabledrinkingwater.Aldicarbsulfoneandaldicarbsulfoxidearebreakdownproductsofaldicarbandshouldalsobemonitoredduetotheirtoxicologicaleffects.Thismethodhasbeeninvestigatedforusewithreagent,surface,anddrinkingwaterfortheselectedcarbamates:aldicarb,aldicarbsulfone,aldicarbsulfoxide,carbofuran,methomyl,oxamylandthiofanox.1.1Thistestmethodcoversthedeterminationofaldicarb,aldicarbsulfone,aldicarbsulfoxide,carbofuran,methomyl,oxamyl,andthiofanox(referredtocollectivelyascarbamatesinthistestmethod)inwaterbydirectinjectionusingliquidchromatography(LC)anddetectedwithtandemmassspectrometry(MS/MS).Theseanalytesarequalitativelyandquantitativelydeterminedbythismethod.Thismethodadherestomultiplereactionmonitoring(MRM)massspectrometry.1.2TheDetectionVerificationLevel(DVL)andReportingRangeforthecarbamatesarelistedinTable1.1.2.1TheDVLisrequiredtobeataconcentrationatleast3timesbelowtheReportingLimit(RL)andhaveasignal/noiseratiogreaterthan3:1.Fig.1displaysthesignal/noiseratiosoftheprimarysinglereactionmonitoring(SRM)transitions,andFig.2displaystheconfirmatorySRMtransitionsattheDVLsforthecarbamates.1.2.2ThereportinglimitistheconcentrationoftheLevel1calibrationstandardasshowninTable2forthecarbamates.1.3Units8212;ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C51
【国际标准分类号】:13_060_50
【页数】:12P.;A4
【正文语种】:
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