ASTM D7410-2007 棉花交易用棉花分级仪鉴定的标准实施规程
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【英文标准名称】:StandardPracticeforQualificationofCottonClassificationInstrumentsforCottonMarketing
【原文标准名称】:棉花交易用棉花分级仪鉴定的标准实施规程
【标准号】:ASTMD7410-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【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】:D13.11
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Thepurposeofthispracticeistoprovideguidingprinciplesfortheuseofevaluationcottonsandevaluationsamplesforthequalificationofcottonclassificationinstruments.Thecottonclassificationinstrumentsqualifiedunderthispracticeshallbecapableoftestingthefiberpropertiesofmicronairereading,upperhalfmeanlength,uniformityindex,breakingtenacity(strength),Rd(color),+b(color),percentarea(trash)andparticlecount(trash).Thispracticeprovidesguidelinesforusersofcottonclassificationinstrumentstoperformstandardizedtestingthatwillensurethattestresultsarewithinacceptabletolerances(seetablesbelow)forthemarketingofcottonbales.Atestoftheupperhalfmeanlength,uniformityindexandbreakingtenacity(strength)shallconsistofanaverageoftwo(2)specimensthatarepreparedbyanautomaticmechanicalsampler.Atestofthecolorandtrashshallconsistofanaverageoffour(4)measurementswitha90degreerotationofthecolorevaluationfibersamplesbetweenmeasurementsoneachsample.Themicronairetestshallconsistofasinglemeasurement.1.1Thispracticeprovidestwooptionsforthequalificationofcottonclassificationinstruments:option1,newlyinstalledcottonclassificationinstrumentation,oroption2,annualverificationofcottonclassificationinstrumentationusingevaluationcottons,trashevaluationimages,andcolorevaluationfibersamplesforthefibermeasurementsofmicronairereading,upperhalfmeanlength,uniformityindex,breakingtenacity(strength),Rd(colorreflectance),+b(coloryellowness),percentarea(trash),andparticlecount(trash).1.2Thispracticecoversthetechnicalrequirementstovalidatetheconsistencyofdatareportedbyacottonclassificationinstrument.1.2.1Thepracticecanbeusedwhennewequipmentisinstalledoritcanbeusedtoperformannualverificationforconsistencyofreporteddata.1.2.2Thepracticecanbeusedtoqualifycottonclassificationinstrumentsusingevaluationcottons,trashevaluationimages,andcolorevaluationfibersamples.Thesedatacanbeusedforfibermeasurementsofmicronairereading,upperhalfmeanlength,uniformityindex,strength,colorreflectance,andtrash.1.3ThevaluesstatedinEnglishunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N63
【国际标准分类号】:59_060_10
【页数】:4P.;A4
【正文语种】:英语
【原文标准名称】:棉花交易用棉花分级仪鉴定的标准实施规程
【标准号】:ASTMD7410-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【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】:D13.11
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Thepurposeofthispracticeistoprovideguidingprinciplesfortheuseofevaluationcottonsandevaluationsamplesforthequalificationofcottonclassificationinstruments.Thecottonclassificationinstrumentsqualifiedunderthispracticeshallbecapableoftestingthefiberpropertiesofmicronairereading,upperhalfmeanlength,uniformityindex,breakingtenacity(strength),Rd(color),+b(color),percentarea(trash)andparticlecount(trash).Thispracticeprovidesguidelinesforusersofcottonclassificationinstrumentstoperformstandardizedtestingthatwillensurethattestresultsarewithinacceptabletolerances(seetablesbelow)forthemarketingofcottonbales.Atestoftheupperhalfmeanlength,uniformityindexandbreakingtenacity(strength)shallconsistofanaverageoftwo(2)specimensthatarepreparedbyanautomaticmechanicalsampler.Atestofthecolorandtrashshallconsistofanaverageoffour(4)measurementswitha90degreerotationofthecolorevaluationfibersamplesbetweenmeasurementsoneachsample.Themicronairetestshallconsistofasinglemeasurement.1.1Thispracticeprovidestwooptionsforthequalificationofcottonclassificationinstruments:option1,newlyinstalledcottonclassificationinstrumentation,oroption2,annualverificationofcottonclassificationinstrumentationusingevaluationcottons,trashevaluationimages,andcolorevaluationfibersamplesforthefibermeasurementsofmicronairereading,upperhalfmeanlength,uniformityindex,breakingtenacity(strength),Rd(colorreflectance),+b(coloryellowness),percentarea(trash),andparticlecount(trash).1.2Thispracticecoversthetechnicalrequirementstovalidatetheconsistencyofdatareportedbyacottonclassificationinstrument.1.2.1Thepracticecanbeusedwhennewequipmentisinstalledoritcanbeusedtoperformannualverificationforconsistencyofreporteddata.1.2.2Thepracticecanbeusedtoqualifycottonclassificationinstrumentsusingevaluationcottons,trashevaluationimages,andcolorevaluationfibersamples.Thesedatacanbeusedforfibermeasurementsofmicronairereading,upperhalfmeanlength,uniformityindex,strength,colorreflectance,andtrash.1.3ThevaluesstatedinEnglishunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N63
【国际标准分类号】:59_060_10
【页数】:4P.;A4
【正文语种】:英语
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