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ASTM D1203-1994(2003) 用活性碳法测定塑料的挥发损失的标准试验方法

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【英文标准名称】:StandardTestMethodsforVolatileLossFromPlasticsUsingActivatedCarbonMethods
【原文标准名称】:用活性碳法测定塑料的挥发损失的标准试验方法
【标准号】:ASTMD1203-1994(2003)
【标准状态】:现行
【国别】:
【发布日期】:1994
【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】:D20.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:塑料;试验;活性碳
【英文主题词】:methanolextract;PVCresin
【摘要】:Thetestmethodsareintendedtoberapidempiricaltestswhichmaybeusefulintherelativecomparisonofmaterialshavingthesamenominalthickness.Note28212;Whentheplasticmaterialcontainsplasticizer,lossfromtheplasticisassumedtobeprimarilyplasticizer.Theeffectofmoistureisconsideredtobenegligible.Correlationwithultimateapplicationforvariousplasticmaterialsshouldbedeterminedbytheuser.Toobtainacceleratedteststhatmorenearlyapproachactualserviceconditions,referenceshouldbemadetoSpecificationE197.1.1Thesetestmethodscoverthedeterminationofvolatilelossfromaplasticmaterialunderdefinedconditionsoftimeandtemperature,usingactivatedcarbonastheimmersionmedium.1.2Twotestmethodsarecoveredasfollows:1.2.1TestMethodA,DirectContactwithActivatedCarbon8212;Inthistestmethodtheplasticmaterialisindirectcontactwiththecarbon.Thistestmethodisparticularlyusefulintherapidcomparisonofalargenumberofplasticspecimens.1.2.2TestMethodB,WireCage8212;Thistestmethodprescribestheuseofawirecage,whichpreventsdirectcontactbetweentheplasticmaterialandthecarbon.Byeliminatingthedirectcontact,themigrationofthevolatilecomponentstothesurroundingcarbonisminimizedandlossbyvolatilizationismorespecificallymeasured.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;Thisstandardissimilarincontent(nottechnicallyequivalent)toISO176-1976(E).
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:3P.;A4
【正文语种】:


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【英文标准名称】:StandardPracticeforPretreatmentofBackingFabricsUsedinTextileConservationResearch
【原文标准名称】:纺织材料保存研究用背衬织物的预处理
【标准号】:ASTMD5429-1993
【标准状态】:作废
【国别】:
【发布日期】:1993
【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】:D13.53
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:纺织材料;保存;织物
【英文主题词】:Backingfabrics;Greigegoods;Ironing;Rinsing;Textileconservation;Washing;backingfabrics(usedintextileconservationresearch)-pretreatment,;practice
【摘要】:1.1Thispracticecoversthewashing,rinsing,drying,ironing,andrelatedtestingofbackingfabricspriortotheiruseintextileconservationresearch.Bothsturdyanddelicatepretreatmentproceduresforbackingfabricsaredescribed.1.2
【中国标准分类号】:W04
【国际标准分类号】:59_080_30
【页数】:5P.;A4
【正文语种】:


【英文标准名称】:StandardTestMethodsforLaboratoryCompactionCharacteristicsofSoilUsingStandardEffort(12400ft-lbf/ft3(600kN-m/m3))
【原文标准名称】:用标准作用力(12400ft-lbf/ft(600kN-m/m))测量土壤实验室压实特性的标准试验方法
【标准号】:ASTMD698-2007e1
【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】:D18.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:建筑;施工材料;含水量;土壤;测试
【英文主题词】:compactioncharacteristics;density;impactcompaction;laboratorytests;moisture-densitycurves;proctortest;soil;soilcompaction;standardeffort
【摘要】:1.1Thesetestmethodscoverlaboratorycompactionmethodsusedtodeterminetherelationshipbetweenmoldingwatercontentanddryunitweightofsoils(compactioncurve)compactedina4or6-in.(101.6or152.4-mm)diametermoldwitha5.50-lbf(24.5-N)rammerdroppedfromaheightof12.0in.(305mm)producingacompactiveeffortof12400ft-lbf/ft3(600kN-m/m3).Note1TheequipmentandproceduresaresimilarasthoseproposedbyR.R.Proctor(EngineeringNewsRecord-September7,1933)withthisonemajorexception:hisrammerblowswereappliedas"12inchfirmstrokes"insteadoffreefall,producingvariablecompactiveeffortdependingontheoperator,butprobablyintherange15000to25000ft-lbf/ft3(700to1200kN-m/m3).Thestandardefforttest(see)issometimesreferredtoastheProctorTest.1.1.1Soilsandsoil-aggregatemixturesaretoberegardedasnaturaloccurringfine-orcoarse-grainedsoils,orcompositesormixturesofnaturalsoils,ormixturesofnaturalandprocessedsoilsoraggregatessuchasgravelorcrushedrock.Hereafterreferredtoaseithersoilormaterial.1.2Thesetestmethodsapplyonlytosoils(materials)thathave30%orlessbymassofparticlesretainedonthe3/4-in.(19.0-mm)sieveandhavenotbeenpreviouslycompactedinthelaboratory;thatis,donotreusecompactedsoil.1.2.1Forrelationshipsbetweenunitweightsandmoldingwatercontentsofsoilswith30%orlessbymassofmaterialretainedonthe3/4-in.(19.0-mm)sievetounitweightsandmoldingwatercontentsofthefractionpassing3/4-in.(19.0-mm)sieve,seePracticeD4718.1.3Threealternativemethodsareprovided.Themethodusedshallbeasindicatedinthespecificationforthematerialbeingtested.Ifnomethodisspecified,thechoiceshouldbebasedonthematerialgradation.1.3.1MethodA:Mold4-in.(101.6-mm)diameter.MaterialPassingNo.4(4.75-mm)sieve.LayersThree.BlowsperLayer25.UsageMaybeusedif25%orless(seeSection1.4)bymassofthematerialisretainedontheNo.4(4.75-mm)sieve.OtherUsageIfthisgradationrequirementcannotbemet,thenMethodCmaybeused.1.3.2MethodBMold4-in.(101.6-mm)diameter.MaterialPassing3/8-in.(9.5-mm)sieve.LayersThree.BlowsperLayer25.UsageMaybeusedif25%orless(seeSection)bymassofthematerialisretainedonthe3/8-in.(9.5-mm)sieve.OtherUsageIfthisgradationrequirementcannotbemet,thenMethodCmaybeused.1.3.3MethodC-Mold6-in.(152.4-mm)diameter.MaterialPassing3/4-in.(19.0-mm)sieve.LayersThree.BlowsperLayer56.UsageMaybeusedif30%orless(seeSection1.4)bymassofthematerialisretainedonthe3/4-in.(19.0-mm)sieve.1.3.4The6-in.(152.4-mm)diametermoldshallnotbeusedwithMethodAorB.Note2Resultshavebeenfoundtovaryslightlywhenamaterialistestedatthesamecompactiveeffortindifferentsizemolds,withthesmallermoldsizetypicallyyieldinglargervaluesofdensity/unitweight(,pp.21+).1.4Ifthetestspecimencontainsmorethan5%bymassofoversizefraction(coarsefraction)andthematerialwillnotbeincludedinthetest,correctionsmustbemadetotheunitmassandmoldingwatercontentofthespecimenortotheappropriatefield-in-placedensitytestspecimenusingPracticeD4718.1.5Thistestmethodwillgenerallyproduceawell-definedmaximumdryunitweightfornon-freedrainingsoils.Ifthistestmethodisusedforfree-drainingsoilsthemaximumunitweightmaynotbewelldefined,andcanbelessthanobtainedusingTestMethodsD4253.1.6AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026,unlesssupersededbythisst......
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:13P.;A4
【正文语种】: