ASTM E300-2003 工业化学品抽样的标准规程
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【英文标准名称】:StandardPracticeforSamplingIndustrialChemicals
【原文标准名称】:工业化学品抽样的标准规程
【标准号】:ASTME300-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:E15.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:sampling;simpleliquids;slurry;solids;statistical
【摘要】:Representativesamplesofindustrialchemicalsarerequiredforthedeterminationofchemicalandphysicalpropertieswhichareusedtoestablishstandardvolumes,prices,andcompliancewithcommercialandregulatoryspecifications.Theobjectiveofsamplingistoobtainasmallportion(spotsample)ofmaterialfromaselectedareawithinacontainerwhichisrepresentativeofthematerialintheareaor,inthecaseofrunningorall-levelsamples,asamplewhosecompositionisrepresentativeofthetotalmaterialinthecontainer.Aseriesofspotsamplesmaybecombinedtocreatearepresentativesample.ManualandAutomaticSamplingConsiderations8212;Theselectionofmanualorautomaticsamplingdevicesispartofestablishingasamplingplanappliedunderallconditionswithinthescopeofthispracticeprovidedthatthepropersamplingproceduresarefollowed.Bothtypesofsamplingarecommonlyusedforliquid,solid,andslurrysamplingandrequireadherencetothefollowing:5.3.1Anadequatefrequencyofsamplingmustbeselected.5.3.2Theequipmenttosupportmanualorautomaticsamplingsystemsmaybeobtainedcommercially,fabricatedfromthedesignspresentedinthispractice,orconstructedasneededtosatisfyprocessdesignorotherspecificrequirements.5.3.3Thesamplingequipmentmustbemaintainedonaregularbasis,andthesamplingplanadoptedmustbestrictlyfollowed.1.1Thispracticecoversproceduresforsamplingseveralclassesofindustrialchemicals.Italsoincludesrecommendationsfordeterminingthenumberandlocationofsuchsamples,toensuretheirbeingrepresentativeofthelotinaccordancewithacceptedprobabilitysamplingprinciples.1.2Althoughthispracticedescribesspecificproceduresforsamplingvariousliquids,solids,andslurries,inbulkorinpackages,theserecommendationsonlyoutlinetheprinciplestobeobserved.TheyshouldnottakeprecedenceoverspecificsamplinginstructionscontainedinotherASTMproductormethodstandards.1.3Theseproceduresarecoveredasfollows:SectionsStatisticalConsiderations7-11SimpleLiquids12-27Solids28-34Slurries36-41
【原文标准名称】:工业化学品抽样的标准规程
【标准号】:ASTME300-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:E15.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:sampling;simpleliquids;slurry;solids;statistical
【摘要】:Representativesamplesofindustrialchemicalsarerequiredforthedeterminationofchemicalandphysicalpropertieswhichareusedtoestablishstandardvolumes,prices,andcompliancewithcommercialandregulatoryspecifications.Theobjectiveofsamplingistoobtainasmallportion(spotsample)ofmaterialfromaselectedareawithinacontainerwhichisrepresentativeofthematerialintheareaor,inthecaseofrunningorall-levelsamples,asamplewhosecompositionisrepresentativeofthetotalmaterialinthecontainer.Aseriesofspotsamplesmaybecombinedtocreatearepresentativesample.ManualandAutomaticSamplingConsiderations8212;Theselectionofmanualorautomaticsamplingdevicesispartofestablishingasamplingplanappliedunderallconditionswithinthescopeofthispracticeprovidedthatthepropersamplingproceduresarefollowed.Bothtypesofsamplingarecommonlyusedforliquid,solid,andslurrysamplingandrequireadherencetothefollowing:5.3.1Anadequatefrequencyofsamplingmustbeselected.5.3.2Theequipmenttosupportmanualorautomaticsamplingsystemsmaybeobtainedcommercially,fabricatedfromthedesignspresentedinthispractice,orconstructedasneededtosatisfyprocessdesignorotherspecificrequirements.5.3.3Thesamplingequipmentmustbemaintainedonaregularbasis,andthesamplingplanadoptedmustbestrictlyfollowed.1.1Thispracticecoversproceduresforsamplingseveralclassesofindustrialchemicals.Italsoincludesrecommendationsfordeterminingthenumberandlocationofsuchsamples,toensuretheirbeingrepresentativeofthelotinaccordancewithacceptedprobabilitysamplingprinciples.1.2Althoughthispracticedescribesspecificproceduresforsamplingvariousliquids,solids,andslurries,inbulkorinpackages,theserecommendationsonlyoutlinetheprinciplestobeobserved.TheyshouldnottakeprecedenceoverspecificsamplinginstructionscontainedinotherASTMproductormethodstandards.1.3Theseproceduresarecoveredasfollows:SectionsStatisticalConsiderations7-11SimpleLiquids12-27Solids28-34Slurries36-41
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