ASTM D5043-1990 覆层现场识别的试验方法
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来源:标准资料网
【英文标准名称】:TestMethodsforFieldIndentificationofCoatings
【原文标准名称】:覆层现场识别的试验方法
【标准号】:ASTMD5043-1990
【标准状态】:作废
【国别】:
【发布日期】:1990
【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】:
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:识别;作标记;试验方法;覆层;覆层
【英文主题词】:
【摘要】:
【中国标准分类号】:G50
【国际标准分类号】:25_220_20
【页数】:
【正文语种】:
【英文标准名称】:StandardTestMethodforTraceImpuritiesinMonocyclicAromaticHydrocarbonsbyGasChromatographyandExternalCalibration
【原文标准名称】:用气相色谱法和外标法对单环芳香烃中微量杂质的标准试验方法
【标准号】:ASTMD5917-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D16.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aromatics;externalstandard;gaschromatography;impurities;purity;p-xylene;toluene;xylenes;Aliphatichydrocarbons;Aromaticcompounds;Externalcalibration;Gaschromatography(GC)--paints/relatedcoatings/materials;Mo
【摘要】:Determiningthetypeandamountofhydrocarbonimpuritiesremainingfromthemanufactureoftoluene,mixedxylenes,andp-xylenesusedaschemicalintermediatesandsolventsisoftenrequired.Thistestmethodissuitableforsettingspecificationsandforuseasaninternalqualitycontroltoolwheretheseproductsareproducedorareused.Typicalimpuritiesare:alkanescontaining1to10carbonsatoms,benzene,toluene,ethylbenzene(EB),xylenes,andaromatichydrocarbonscontainingninecarbonatoms.RefertoTestMethodD2306fordeterminingtheC8aromatichydrocarbondistributioninmixedxylenes.Purityiscommonlyreportedbysubtractingthedeterminedexpectedimpuritiesfrom100.00.However,agaschromatographicanalysiscannotdetermineabsolutepurityifunknownorundetectedcomponentsarecontainedwithinthematerialbeingexamined.ThistestmethodissimilartoTestMethodD2360,however,interlaboratorytestinghasindicatedabiasmayexistbetweenthetwomethods.Thereforetheuseriscautionedthatthetwomethodsmaynotgivecomparableresults.1.1Thistestmethodcoversthedeterminationofthetotalnonaromatichydrocarbonsandtracemonocyclicaromatichydrocarbonsintoluene,mixedxylenes,andp-xylenesbygaschromatography.Thepurityoftoluene,mixedxylenes,orp-xylenescanalsobecalculated.Calibrationofthegaschromatographicsystemisdonebytheexternalstandardcalibrationtechnique.Asimilartestmethod,usingtheinternalstandardcalibrationtechnique,isTestMethodD2360.1.2Totalaliphatichydrocarbonscontaining1through10carbonatoms(methanethroughdecanes)canbedetectedbythistestmethodatconcentrationsrangingfrom0.001to2.500weight%.1.2.1Asmallamountofbenzeneinmixedxylenesorp-xylenesmaynotbedistinguishedfromthenonaromaticsandtheconcentrationsaredeterminedasacomposite(see6.1).1.3Monocyclicaromatichydrocarbonimpuritiescontaining6through10carbonatoms(benzenethroughC10aromatics)canbedetectedbythistestmethodatindividualconcentrationsrangingfrom0.001to1.000weight%.1.4Indeterminingtheconformanceofthetestresultstoapplicablespecifications,resultsshallberoundedoffinaccordancewiththerounding-offmethodofPracticeE29.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatement,seeSection9.
【中国标准分类号】:G17
【国际标准分类号】:71_080_15
【页数】:8P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 抽丝检验方法 |
| 中标分类： |
纺织 >>
丝纺织 >>
丝制纱、线 |
| 替代情况： | 被FZ/T 42006-1998代替 |
| 发布日期： | |
| 实施日期： | 1995-11-01 |
| 首发日期： | |
| 作废日期： | 1999-07-01 |
| 出版日期： | |
| 页数： | 12页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 纺织 丝纺织 丝制纱 线
