ASTM D1334-2005(2009) 原毛毛含量的标准试验方法-商业尺度
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【英文标准名称】:StandardTestMethodforWoolContentofRawWool-CommercialScale
【原文标准名称】:原毛毛含量的标准试验方法-商业尺度
【标准号】:ASTMD1334-2005(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:D13.13
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:content;wool;Woolandwooltop--raw;Woolcontent--rawwool
【摘要】:Thistestmethodisconsideredsatisfactoryforuseasarefereemethodforthedeterminationofthewoolbasecontentandthecleanwoolfiberpresentinalotofrawwool.Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwolaboratories(ormore),comparativetestshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,usethesamplesforsuchacomparativetestthatareashomogenousaspossible,drawnfromthesamelotofmaterialasthesamplesthatresultedinthedisparateresultsduringtheinitialtestingandrandomlyassignedinequalnumberstoeachlaboratory.Thetestresultsfromthelaboratoriesinvolvedshouldbecomparedusingastatisticaltestforunpaireddata,probabilitylevelchosenpriortothetestingseries.Ifbiasisfound,eitheritscausemustbefoundandcorrected,orfutureresultsforthatmaterialbeadjustedinconsiderationoftheknownbias.Thistestmethodisalsousedinstudiesaimedatderivingsuitableformulasforestimatingtheallowancestobemadeforwoolunavoidablylostordestroyedinsuchcommercialoperationsascarding,combing,orcarbonizing.1.1Thistestmethodcoversthedeterminationofthewoolbasecontentandthecleanwoolfiberpresentinalotofrawwoolbycommercial-scalescouringofthelotfollowedbylaboratorytestsonsamplesofthescouredwool.Note18212;ThesamplingoflotsofrawwoolinpackagesiscoveredinPracticeD1060,andthedeterminationofthewoolcontentofsuchsamplesiscoveredinTestMethodD584.Thedeterminationofvegetablematterandotheralkali-insolubleimpuritiesinscouredwooliscoveredinTestMethodD1113.Forfactorsfortheconversionofwoolbasecontenttoitsequivalentintermsofscouredwool,top,ornoilofvariouscommerciallyspecifiedcompositions,refertoPracticeD2720.Note28212;ThevaluesstatedinU.S.CustomaryUnitsaretoberegardedasthestandardbecauseofcommoncommercialpractice.TheS.I.unitsinparenthesesareprovidedforinformationonly.Note38212;Becauseoftradepracticethetermx201C;weightx201D;isusedinthistestmethodinsteadofthetechnicallycorrecttermx201C;massx201D;.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W20
【国际标准分类号】:59_060_10
【页数】:3P.;A4
【正文语种】:英语
【原文标准名称】:原毛毛含量的标准试验方法-商业尺度
【标准号】:ASTMD1334-2005(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:D13.13
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:content;wool;Woolandwooltop--raw;Woolcontent--rawwool
【摘要】:Thistestmethodisconsideredsatisfactoryforuseasarefereemethodforthedeterminationofthewoolbasecontentandthecleanwoolfiberpresentinalotofrawwool.Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwolaboratories(ormore),comparativetestshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,usethesamplesforsuchacomparativetestthatareashomogenousaspossible,drawnfromthesamelotofmaterialasthesamplesthatresultedinthedisparateresultsduringtheinitialtestingandrandomlyassignedinequalnumberstoeachlaboratory.Thetestresultsfromthelaboratoriesinvolvedshouldbecomparedusingastatisticaltestforunpaireddata,probabilitylevelchosenpriortothetestingseries.Ifbiasisfound,eitheritscausemustbefoundandcorrected,orfutureresultsforthatmaterialbeadjustedinconsiderationoftheknownbias.Thistestmethodisalsousedinstudiesaimedatderivingsuitableformulasforestimatingtheallowancestobemadeforwoolunavoidablylostordestroyedinsuchcommercialoperationsascarding,combing,orcarbonizing.1.1Thistestmethodcoversthedeterminationofthewoolbasecontentandthecleanwoolfiberpresentinalotofrawwoolbycommercial-scalescouringofthelotfollowedbylaboratorytestsonsamplesofthescouredwool.Note18212;ThesamplingoflotsofrawwoolinpackagesiscoveredinPracticeD1060,andthedeterminationofthewoolcontentofsuchsamplesiscoveredinTestMethodD584.Thedeterminationofvegetablematterandotheralkali-insolubleimpuritiesinscouredwooliscoveredinTestMethodD1113.Forfactorsfortheconversionofwoolbasecontenttoitsequivalentintermsofscouredwool,top,ornoilofvariouscommerciallyspecifiedcompositions,refertoPracticeD2720.Note28212;ThevaluesstatedinU.S.CustomaryUnitsaretoberegardedasthestandardbecauseofcommoncommercialpractice.TheS.I.unitsinparenthesesareprovidedforinformationonly.Note38212;Becauseoftradepracticethetermx201C;weightx201D;isusedinthistestmethodinsteadofthetechnicallycorrecttermx201C;massx201D;.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W20
【国际标准分类号】:59_060_10
【页数】:3P.;A4
【正文语种】:英语
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