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【英文标准名称】:StandardTestMethodsforNonvolatileMatterinHalogenatedOrganicSolventsandTheirAdmixtures
【原文标准名称】:卤化有机溶剂及其混合物中不挥发物质的标准试验方法
【标准号】:ASTMD2109-2001(2006)e1
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【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】:D26.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:halogenatedorganicsolvents;nonvolatilematter;nonvolatileresidue;residueonevaporation;Halogenatedorganicsolvents;Nonvolatilemattercontent--chemicals;Nonvolatileresidue(NVR);Residueonevaporation
【摘要】:Nonvolatilematterinsolventscanadverselyaffecttheircleaningproperties.Thesetestmethodscanbeusedtocontrolsoilcontaminationintheboilingsolvent,whichifallowedtobecometoohigh,candecreasethestabilityofthesolvent.Thesetestmethodscanbeusedtoestablishmanufacturingandpurchasingspecifications.1.1Thesetestmethodscoverthedeterminationofnonvolatilematterinhalogenatedorganicsolventsandadmixtures.1.2Fivetestmethodsarecovered,asfollows:1.2.1TestMethodA8212;Forhalogenatedorganicsolventsoradmixtureshavinglessthan50ppmnonvolatilematter;orwhereprecisionbetterthanx00B1;10ppmisrequired.1.2.2TestMethodB8212;Forhalogenatedorganicsolventsoradmixtureshavingmorethan50ppmnonvolatilematterorwhereprecisionofx00B1;0.001%(10ppm)issatisfactory.1.2.3TestMethodC8212;Forlow-boilinghalogenatedorganicsolventsortheiradmixtures(forexample,methylenechloride,trichlorotrifluoroethane)thatmaysuperheatandcausebumpingwhileevaporatingtodrynesswithsteam.Aprecisionofgreaterthanx00B1;10ppmcanbeattained.1.2.4TestMethodD8212;Forrapidmeasurementofnonvolatilematterinhalogenatedorganicsolventsandtheiradmixturesandwhereprecisionbetterthanx00B1;10ppmisrequired.1.2.5TestMethodE8212;Forhalogenatedorganicsolventsoradmixturesandwhereprecisionbetterthanx00B1;10ppmisrequired.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G63
【国际标准分类号】:71_080_20
【页数】:4P.;A4
【正文语种】:英语


【英文标准名称】:SpecificationforIron-CobaltHighMagneticSaturationAlloys
【原文标准名称】:铁钴高磁性饱和合金规范
【标准号】:ANSI/ASTMA801/A801M-1999
【标准状态】:现行
【国别】:美国
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:合金;钴;铁
【英文主题词】:cobalt;iron;alloys
【摘要】:Thisspecificationcoverstwoiron-cobaltalloytypescurrentlymanufacturedandsuppliedcommerciallyforuseinmagneticcoresrequiringhighpermeabilityatandabove15kG(1.5T)underd-candcertaina-cconditions.Thespecificalloytypescoveredare:AlloyTypeNominalComposition149%Co,49%Fe,2%V227%Co,0.50%Cr,balanceFeThisspecificationalsocoversmaterialssuppliedbyaproducerorconverterintheformandphysicalconditionsuitableforfabricationintopartsthatwilllaterbegivenfinalheattreatmenttoachievethedesiredmagneticcharacteristicsandwhererequired,mechanicalproperties.Itcoversmaterialsuppliedinformofforgingbillets,hot-rolledproducts,cold-finishedbars,andstrip.Thevaluesstatedineithercustomaryunits(cgs-emuandinch-pound)orSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents:therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.
【中国标准分类号】:H70
【国际标准分类号】:77_080_10
【页数】:
【正文语种】:英语