【英文标准名称】:StandardTestMethodforMeasurementofPurgeableOrganicCompoundsinWaterbyCapillaryColumnGasChromatography/MassSpectrometry
【原文标准名称】:用毛细管柱气体色谱/质谱法测量水中可清除有机化合物的标准试验方法
【标准号】:ASTMD5790-1995(2006)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:TCLP滤液;处理;饮用水;试验;收集器取样;可清除的有机化合物;色谱法;可清除的挥发性有机化合物;挥发性有机化合物;毛细气相色谱法;废水试验;水;地下水;质谱学;气相色谱法;有机化合物;污染
【英文主题词】:capillary;gaschromatography;massspectrometry;organic;purgeable;volatile
【摘要】:Purgeableorganiccompoundshavebeenidentifiedascontaminantsintreateddrinkingwater,wastewater,groundwater,andToxicityCharacteristicLeachingProcedure(TCLP)leachate.Thesecontaminantsmaybeharmfultotheenvironmentandtopeople.Purgeandtrapsamplingisagenerallyapplicableprocedureforconcentratingthesecomponentspriortogaschromatographicanalysis.1.1Thistestmethodcoverstheidentificationandsimultaneousmeasurementofpurgeablevolatileorganiccompounds.Ithasbeenvalidatedfortreateddrinkingwater,wastewater,andgroundwater.Thistestmethodisnotlimitedtotheseparticularaqueousmatrices;however,theapplicabilityofthistestmethodtootheraqueousmatricesmustbedemonstrated.1.2Thistestmethodisapplicabletoawiderangeoforganiccompoundsthathavesufficientlyhighvolatilityandlowwatersolubilitytobeefficientlyremovedfromwatersamplesusingpurgeandtrapprocedures.liststhecompoundsthathavebeenvalidatedforthistestmethod.Thistestmethodisnotlimitedtothecompoundslistedin;however,theapplicabilityofthetestmethodtoothercompoundsmustbedemonstrated.1.3Analyteconcentrationsuptoapproximately200956;g/Lmaybedeterminedwithoutdilutionofthesample.Analytesthatareinefficientlypurgedfromwaterwillnotbedetectedwhenpresentatlowconcentrations,buttheycanbemeasuredwithacceptableaccuracyandprecisionwhenpresentinsufficientamounts.1.4Analytesthatarenotseparatedchromatographically,butthathavedifferentmassspectraandnoninterferingquantitationions,canbeidentifiedandmeasuredinthesamecalibrationmixtureorwatersample.Analytesthathaveverysimilarmassspectracannotbeindividuallyidentifiedandmeasuredinthesamecalibrationmixtureorwatersampleunlesstheyhavedifferentretentiontimes.Coelutingcompoundswithverysimilarmassspectra,suchasstructuralisomers,mustbereportedasanisomericgrouporpair.Twoofthethreeisomericxylenesareexamplesofstructuralisomersthatmaynotberesolvedonthecapillarycolumn,andifnot,mustbereportedasanisomericpair.1.5Itistheresponsibilityoftheusertoensurethevalidityofthistestmethodforuntestedmatrices.1.6ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:71_080_01
【页数】:55P.;A4
【正文语种】: