ASTM D6323-1998(2003) 与废物管理活动有关的介质的实验室次级取样的标准指南

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【英文标准名称】:StandardGuideforLaboratorySubsamplingofMediaRelatedtoWasteManagementActivities
【原文标准名称】:与废物管理活动有关的介质的实验室次级取样的标准指南
【标准号】:ASTMD6323-1998(2003)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:D34.01.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:次级取样;废物;试样制备
【英文主题词】:samplepreparation;subsampling;waste
【摘要】:Thisguidediscussesoptionsfortakingasubsamplefromasamplesubmittedtoalaboratory.Iffollowed,itwillminimizethebiasandvarianceofthecharacteristicofinterestofthelaboratorysamplepriortoanalysis.Theguidewilldescribeappropriateinstructionstobesubmittedtothelaboratorywiththefieldsample.Thisguideisintendedforuseinthelaboratorytotakearepresentativesubsampleorspecimenofthewholefieldsamplefordirectanalysisorsamplepreparationforanalysis.Itisintendedforfieldpersonnel,datausers,laboratorysamplereceptionpersonnel,analysts,andmanagers.Toobtainarepresentativesubsample,layeranalysis,grinding,mixing,andchangingthephysicalstatesuchasdigesting,drying,meltingorfreezingmayberequired.Thisguideconsidersconeandquartering,rifflesplitting,andparticlesizereduction.1.1Thisguidecoverscommontechniquesforobtainingrepresentativesubsamplesfromasamplereceivedatalaboratoryforanalysis.Thesesamplesmayincludesolids,sludges,liquids,ormultilayeredliquids(withorwithoutsolids).1.2Theproceduresandtechniquesdiscussedinthisguidedependuponthesamplematrix,thetypeofsamplepreparationandanalysisperformed,thecharacteristic(s)ofinterest,andtheprojectspecificinstructionsordataqualityobjectives.1.3Thisguideincludesseveralsamplehomogenizationtechniques,includingmixingandgrinding,aswellasinformationonhowtoobtainaspecimenorsplitlaboratorysamples.1.4Thisguidedoesnotapplytoairorgassampling.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z04
【国际标准分类号】:
【页数】:11P.;A4
【正文语种】: