ASTM E1282-1998(2004) 规定金属及其合金的化学成分并选择取样的实际操作与定量分析方法

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【英文标准名称】:StandardGuideforSpecifyingtheChemicalCompositionsandSelectingSamplingPracticesandQuantitativeAnalysisMethodsforMetals,Ores,andRelatedMaterials
【原文标准名称】:规定金属及其合金的化学成分并选择取样的实际操作与定量分析方法
【标准号】:ASTME1282-1998(2004)
【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】:E01.20
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:金属;质量保证;合金;导则;定量分析
【英文主题词】:quantitativeanalysis;sampling;specification
【摘要】:Thisguideisintendedtoassistthosewritingorrevisingcompositionalspecification,samplingpractice,andanalysismethodstandardsforferrousandnon-ferrousmetals,ores,andrelatedmaterials.Itisdirectedtowardthoseareaswhichmustbeaddressedtoproperlycoordinatecompositionalspecification,samplingpractice,andanalyticalmethodstandards.Itsusewillhelpensurethatcompositionalrequirementsareclearlydefinedandthatsamplingpracticesandanalyticalmethodsareavailabletomeetproductspecifications.Thisguidedoesnotattempttodefinewhichelementsshouldbecontrolled,wheresamplesshouldbetaken,orhowtheyshouldbeanalyzed.TheseitemsareaddressedinstandardssuchasSpecificationA276,Methods,PracticesandTerminologyA751,TestMethodE34,PracticeE255,TestMethodE342,andTestMethodsE350.AprimarypurposeforASTMsamplingpracticesandanalyticalmethodstandardsistoprovidewidely-acceptedandtestedmethodologyforuseinmeetingASTMproductspecifications.Althoughitisrecognizedthatindividuallaboratoriesarefreetouseothermethods,theavailabilityofASTMapprovedmethodologyisessentialforrefereepurposesandtodemonstratethatproperlyequippedlaboratoriescanmaketherequiredmeasurements.Samplingpracticesandanalysismethodstoberecommendedforuseintestingagivenproductaremosteasilyselectedcooperativelybythespecification-writingandthemethods-writingcommitteeswhichhavejurisdictionfortheproduct.Whenexistingsamplingoranalysisstandardsdonotmeettheneedsofthenewproductspecificationstandard,thespecification-writingcommitteeshouldrequestthatthemethods-writingcommitteedeveloptherequiredstandards.ASTMCommitteeE-1isresponsibleformethodsandpracticescoveringthesamplingandanalysisofmostmetals,ores,andrelatedmaterials.1.1Thisguidecoversproceduresforspecifyingcompositionalrequirementsandidentifyingappropriatesamplingandquantitativeanalysismethodologiestobereferencedinproductspecificationstandardsformetals,ores,andrelatedmaterials.ItisnotintendedtoreplaceorconflictwitheitherindividualproductspecificationsorstandardscoveringbroadclassificationsofproductssuchasTestMethodsA751.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H10
【国际标准分类号】:77_040_30
【页数】:3P.;A4
【正文语种】: