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【英文标准名称】:StandardTestMethodforMeasurementofShivesinRettedFlax
【原文标准名称】:沤麻中的碎片的测量的标准试验方法
【标准号】:ASTMD7076-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D13.17
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:flaxfiber;NIR;shivetrash;Shivecontent;Flaxfiberandproducts
【摘要】:Fewstandardsexisttoobjectivelydetermineflaxquality.Shiveisthewoodycoreofthestemandhasanimportanteffectonqualitydetermination.Shivecontentwillvarydependingonthestageofprocessingandcandetermineinwhatproductsthefibercanbeused.Spectroscopicdataprovideanaccurate,preciseandrapiddeterminationoftheamountofshiveinflaxfiber.Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwoormorelaboratories,comparativetestsshouldbeperformedbythoselaboratoriestodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,testsamplesthatareashomogeneousaspossiblearedrawnfromthematerialfromwhichthedisputedtestresultswereobtained,andarerandomlyassignedinequalnumberstoeachlaboratory.Theseresultsfromthetwolaboratoriesshouldbecomparedusingastatisticaltestforunpaireddata,apossibilitylevelchosenpriortothetestingseries.Ifabiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsforthatfibersampletypemustbeadjustedinconsiderationoftheknownbias.Thistestmethodgivesdataonshivecontentofrettedflaxfiberwhichcanbeusedasabasisfor:(1)estimatingthenetamountofmanufacturingfiberobtainablefromrettedflaxfiber;(2)alongwithothermeasurements,predictingthequalityofflaxproducts,particularlytheiraestheticproperties;(3)adjustingprocessingmachineryformaximumefficiencyincleaning;and(4)relatingshivecontenttoend-productqualityandprocessingefficiency.1.1Thistestmethodcoversthemeasurementofshivesinrettedflax.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B32
【国际标准分类号】:
【页数】:3P.;A4
【正文语种】:英语