NF T73-201-1978 表面活性剂.水含量的测定.卡尔.费休法
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【英文标准名称】:SURFACEACTIVEAGENTS.DETERMINATIONOFWATERCONTENT.KARLFISCHERMETHOD.
【原文标准名称】:表面活性剂.水含量的测定.卡尔.费休法
【标准号】:NFT73-201-1978
【标准状态】:作废
【国别】:法国
【发布日期】:1978-09
【实施或试行日期】:1978-09-01
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:表面活性剂;卡·弗歇尔试剂;含量测定;水
【英文主题词】:
【摘要】:
【中国标准分类号】:E43
【国际标准分类号】:71_100_40
【页数】:4P;A4
【正文语种】:其他
【英文标准名称】:SpecificationforQuenchedandTemperedCarbonandAlloySteelForgingsforPressureVesselComponents
【原文标准名称】:压力容器部件用经淬火和回火的碳素钢及合金钢锻件规范
【标准号】:ANSI/ASTMA541/A541M-1995
【标准状态】:作废
【国别】:美国
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:钢;压力容器;锻件
【英文主题词】:steels;forgings;pressurevessels
【摘要】:
【中国标准分类号】:H40;J32;J74
【国际标准分类号】:77_140_30
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforWaterRetentionofTextileFibers(CentrifugeProcedure)
【原文标准名称】:纺织纤维的保水性用标准试验方法(离心机法)
【标准号】:ASTMD2402-2007
【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】:试验;纺织纤维;纺织材料;蓄水
【英文主题词】:textilefibers;waterretention
【摘要】:Thistestmethodfortestingforwaterretentionoffibersaftercentrifugingisnotrecommendedforacceptancetestingofcommercialshipmentsbecausethetestismoreappropriatefordevelopmentandresearch.However,ifthetestistobeusedforacceptancetesting,comparativetestsasdescribedin5.1.1areadvised.5.1.1InthecaseofadisputearisingfromdifferencesinreportedtestresultsusingTestMethodD2402foracceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifstatisticalbiasesexistbetweentheirlaboratories.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensthatareashomogeneousaspossibleandthatarefromalotofmaterialofthetypeinquestion.Thetestspecimensshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingtheStudentrsquo;t-testforunpaireddatawithanacceptableprobabilitylevelchosenbythetwopartieswhiledesigningthetestprogram.Iftheanalysisshowsabias,itscausemustbefoundandcorrected,orthepurchaserandsuppliermustagreetointerpretfuturetestdatawithconsiderationfortheknownbias.Theamountofwaterretainedbyafibermassincreaseswithanincreaseinthehydrophilictendencyofthefiber.Thusthedataobtainedcanbeusedtoindicatethefollowing:5.2.1Differencesinwaterretentionbetweenthevariousman-madeandnaturalfibers,5.2.2Degreeofcross-linkingincellulosicfibers,5.2.3Damageincurredbywoolandsilkfibersduetoalkalineprocessing,and5.2.4Persistenceofwater-repellenttreatments.FIG.1Cross-sectionViewofCentrifugeTubeAssembly1.1Thistestmethodcoversthemeasurementofwaterretentionofman-madeandnaturalfibersasstaple,tow,orfilamentandspunyarns.Itisintendedtogiveameasureoftheamountofwaterwhichcannotberemovedfromthoroughlywettedfibersolelybymechanicalmeansasappliedbycentrifugalforce(see3.2).Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionarystatements,seeSection9.
【中国标准分类号】:W04
【国际标准分类号】:59_060_01
【页数】:4P.;A4
【正文语种】:
