ASTM D1016-2005(2010) 通过冻结点测定烃纯度的标准试验方法

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【英文标准名称】:StandardTestMethodforPurityofHydrocarbonsfromFreezingPoints
【原文标准名称】:通过冻结点测定烃纯度的标准试验方法
【标准号】:ASTMD1016-2005(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:D02.04.0D
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:crystallization;freezepoint;LPG;purehydrocarbons;purity
【摘要】:Theexperimentalproceduresandphysicalconstantsprovidedbythistestmethod,whenusedinconjunctionwithTestMethodD1015,allowthedeterminationofthepurityofthematerialundertest.Aknowledgeofthepurityofthesehydrocarbonsisoftenneededtohelpcontroltheirmanufactureandtodeterminetheirsuitabilityforuseasreagentchemicalsorforconversiontootherchemicalintermediatesorfinishedproducts.1.1Thistestmethodcoversthesamplinganddeterminationofpurityofessentiallypurecompoundsforwhichthefreezingpointsforzeroimpurityandcryoscopicconstantsaregiven.Thecompoundstowhichthetestmethodisapplicableare:(WarningExtremelyflammableliquidsandliquefiedgases.)n-butane
1,3-butadiene
isobutane
isoprene(2-methyl-1,3-butadiene)
n-pentane
benzene
isopentane
toluene(methylbenzene)
n-hexane
ethylbenzene
n-heptane
o-xylene(1,2-dimethylbenzene)
n-octane
m-xylene(1,3-dimethylbenzene)
2,2,4-trimethylpentane
p-xylene(1,4-dimethylbenzene)
methylcyclohexane
styrene(ethenylbenzene)
isobutene