【英文标准名称】:StandardTestMethodforLengthandLengthDistributionofManufacturedStapleFibers(Single-FiberTest)
【原文标准名称】:人造短纤维的长度和长度分布用标准试验方法(单纤维试验)
【标准号】:ASTMD5103-2007
【标准状态】:现行
【国别】:
【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】:D13.58
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:纤维长度;人造纤维;短纤维;试验方法;纺织纤维
【英文主题词】:length;textilefibers
【摘要】:Thistestmethodisusedforresearch,development,qualitycontrol,productspecifications,andmaybeusedforacceptancetestingofcommercialshipmentsoftextilefibers.However,cautionisadvisedsinceinformationonbetween-laboratoryprecisionislacking.Comparativetestsasdirectedin5.1.1maybeadvisable.5.1.1Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwolaboratories(ormore),comparativetestsshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,testsamplesthatareashomogenousaspossible,drawnfromthematerialfromwhichthedisparatetestresultswereobtained,andrandomlyassignedinequalnumberstoeachlaboratoryfortesting.Thetestresultsfromthetwolaboratoriesshouldbecomparedusingastatisticaltestforupaireddata,ataprobabilitylevelchosenpriortothetestingseries.Ifabiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsforthatmaterialmustbeadjustedinconsiderationoftheknownbias.Thistestmethodprovidesobjectivemeasurementsfordeterminingtheaveragefiberlengthandlengthdistributioninasampleoffiber.Thestaplelengthdiagramofafibersamplecanbeusedtodeterminetherelativenumberoffibersaboveandbelowaspecifiedlength.Ifafiberistoolong,itwillnotprocesswellinspinning,andifthereisapreponderanceofshortfibers,theyarnmighthavelowerthannormalbreakingstrength.1.1Thistestmethodcoversthedeterminationofaveragestaplelengthandstaplelengthdistributionofbothmanufacturedandnaturalfibersbymanuallymeasuringsinglefiberlengths.Thistestmethodisalsousedtomeasurethelengthoffibersremovedfromastapleyarn,butsuchameasurementmaynotrepresentthefiber''sstaplelength,asmanufactured.1.2Becausethistestmethodrequiresmeasuringthelengthofonly50fibers,itisnotsuitableforuseindeterminingthenumberoflongfibersthatoccurinfrequentlyinasample.Note18212;Fordeterminationforoverlengthfibers,refertoTestMethodD3513.Note28212;Formethodscoveringthedeterminationoftheaveragelengthandlengthdistributionofnaturalfibers,refertothefollowingmethods:forcotton,TestMethodD1440,andTestMethodD1447,forwool,TestMethodD519,TestMethodD1234,andTestMethodD1575.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W52
【国际标准分类号】:59_060_20
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:Airquality-Ambientair-Determinationofthemassofdryatmosphericdepositions-Samplingondepositplates-Preparationandtreatment.
【原文标准名称】:空气质量.室内空气.干燥环境沉积物质量的测定.沉积物器皿取样.制备和处理
【标准号】:NFX43-007-2008
【标准状态】:现行
【国别】:法国
【发布日期】:2008-12-01
【实施或试行日期】:2008-12-05
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:Z15
【国际标准分类号】:13_040_20
【页数】:23P;A4
【正文语种】:其他