ASTM D1218-2002(2007) 液态烃的折射率和折射分散度的标准试验方法

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【英文标准名称】:StandardTestMethodforRefractiveIndexandRefractiveDispersionofHydrocarbonLiquids
【原文标准名称】:液态烃的折射率和折射分散度的标准试验方法
【标准号】:ASTMD1218-2002(2007)
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:refractivedispersion;refractiveindex;refractometer;Electricalinsulatingpetroleumproducts;Hydrocarbons;Refractivedispersion;Refractiveindex
【摘要】:Refractiveindexandrefractivedispersionarefundamentalphysicalproperties,whichcanbeusedinconjunctionwithotherpropertiestocharacterizepurehydrocarbonsandtheirmixtures.1.1Thistestmethodcoversthemeasurementofrefractiveindex,accuratetofourdecimalplacesorbetter,oftransparentandlight-coloredhydrocarbonsintherangeof1.3300to1.5000attemperaturesfrom20to30x00B0;Cbymanual(optical-mechanical)orautomatic(digital)procedure.1.2Themanual(optical-mechanical)procedurealsocoversthemeasurementofrefractivedispersionaccuratetothefourthdecimalplaceorbetter.Note18212;Thetestmethodmaybesuitableformeasuringtherefractiveindicesofliquidsabove1.5000andattemperaturesbothbelow20x00B0;Candabove30x00B0;C;however,thetestmethodprecisionmaynotapply.Verificationoftheaccuracyofsuchmeasurementswilldependupontheavailabilityofreliable,certifiedreferencestandardsthatdemonstratetheperformanceoftheinstrumentusedundertheparticularmeasuringconditions.1.3Thetestmethodmaynotbeapplicabletoliquidsthatarestronglycolored,orthathavebubblepointssonearthetesttemperaturethatareadingcannotbeobtainedbeforesubstantialweatheringtakesplace.LiquidcolorshouldbelimitedtoNo.4ASTMColororlighter,asdeterminedbyTestMethodD1500.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:71_080_01
【页数】:7P.;A4
【正文语种】:英语