【英文标准名称】:TestMethodForAnalysisOfPetroleumWaxesByGasChromatography
【原文标准名称】:用气相色谱法分析石油蜡的试验方法
【标准号】:ANSI/ASTMD5442-1993
【标准状态】:作废
【国别】:美国
【发布日期】:1993
【实施或试行日期】:2003-05-10
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:烃类;石蜡;气相色谱法;蜡;碳分布;分析;正常;试验;色谱法
【英文主题词】:Analysis;Carbondistribution;Chromatography;Gaschromatography;Hydrocarbons;Normal;Paraffinwax;Tests;Waxes
【摘要】:Thistestmethodcoversthequantitativedeterminationofthecarbonnumberdistributionofpetroleumwaxesintherangefromn-Cthroughn-Cbygaschromatographyusinginternalstandardization.Inaddition,thecontentofnormalandnon-normalhydrocarbonsforeachcarbonnumberisalsodetermined.Materialwithacarbonnumberaboven-Cisdeterminedbyitsdifferencefrom100mass%andreportedasC.Thistestmethodisapplicabletopetroleumderivedwaxes,includingblendsofwaxes.Thistestmethodisnotapplicabletooxygenatedwaxes,suchassyntheticpolyethylenegloycols(forexample,Carbowax),ornaturalproductssuchasbeeswaxorcarnauba.Thistestmethodisnotdirectlyapplicabletowaxeswithoilcontentgreaterthan10%asdeterminedbyTestMethodD721.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E42
【国际标准分类号】:75_140
【页数】:
【正文语种】:英语