ASTM D1441-2006 试验用棉纤维取样的标准操作规程

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【英文标准名称】:StandardPracticeforSamplingCottonFibersforTesting
【原文标准名称】:试验用棉纤维取样的标准操作规程
【标准号】:ASTMD1441-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:棉花;棉纤维;抽样方法;试验;纺织纤维;纺织材料
【英文主题词】:cotton;fibers;sampling
【摘要】:Thereliabilityoftheresultsofanytestmethoddependprimarilyuponhowwellthespecimenstestedrepresenttheoriginalsourcematerial.Muchtimeandeffortarerequired,andcanjustifiablybespent,tobesurethatallthesamplingoperationsareatrandomandarerepresentative.Failuretoprovideatestspecimenwhichaccuratelyrepresentsthematerialfromwhichitisdrawnwillproducemisleadingtestresultsregardlessoftheaccuracyandprecisionofthetestmethod.1.1Thispracticecoversproceduresfortakingalotsample,atthesource,ofcottonfibersandreducingthissamplethroughaseriesofstepstoprovidearelativelysmalltestspecimenofloosecottonfibers,representativeofthesourcematerialandsuitableforthedeterminationofasingleproperty,oraseriesoffiberproperties,accordingtoestablishedprocedures.1.2Thispracticehasbeenusedextensivelyforcommercialacceptancetestingofcottonfibersaswellasforarbitrationtestingandresearch.1.3Theproceduresdonotcovertheselectionofsamplesforthedeterminationofmoisture.Specialhandlingandprotectionofthesamplefromtheprevailingatmosphererequiredforsamplestakenforthedeterminationofmoisturearenotprovidedforinthispractice.SeeTestMethodD2495.Note1ThispracticeisusedintakingsamplesofcottonfortestingbyTestMethodsD1440,D1442,D1445,D1447,D1448,D1464,D2480,D2496,andD2812.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasureareincludedinthisstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W10
【国际标准分类号】:59_060_10
【页数】:3P.;A4
【正文语种】: