【英文标准名称】:StandardTestMethodforAnalysisofPetroleumWaxesbyGasChromatography
【原文标准名称】:用色谱法分析石油石蜡的标准试验方法
【标准号】:ASTMD5442-1993(2003)e1
【标准状态】:现行
【国别】:
【发布日期】:1993
【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】:D02.04.0H
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:色谱法;气相色谱法;试验;分析;碳分布;燃气产品;正态;常态下烃的碳数量;正链烷;正链烷烃;石蜡;石油蜡;烃类
【英文主题词】:gaschromatography;non-normalparaffinhydrocarbons;normalparaffin;paraffinwax;petroleumwax
【摘要】:Thedeterminationofthecarbonnumberdistributionofpetroleumwaxesandthenormalandnon-normalhydrocarbonsineachcanbeusedforcontrolofproductionprocessesaswellasaguidetoperformanceinmanyenduses.Dataresultingfromthistestmethodareparticularlyusefulinevaluatingpetroleumwaxesforuseinrubberformulations.1.1Thistestmethodcoversthequantitativedeterminationofthecarbonnumberdistributionofpetroleumwaxesintherangefromn-C17throughn-C44bygaschromatographyusinginternalstandardization.Inaddition,thecontentofnormalandnon-normalhydrocarbonsforeachcarbonnumberisalsodetermined.Materialwithacarbonnumberaboven-C44isdeterminedbyitsdifferencefrom100mass%andreportedasC45+.1.2Thistestmethodisapplicabletopetroleumderivedwaxes,includingblendsofwaxes.Thistestmethodisnotapplicabletooxygenatedwaxes,suchassyntheticpolyethylenegloycols(forexample,Carbowax),ornaturalproductssuchasbeeswaxorcarnauba.1.3Thistestmethodisnotdirectlyapplicabletowaxeswithoilcontentgreaterthan10%asdeterminedbyTestMethodD721.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E42
【国际标准分类号】:
【页数】:6P.;A4
【正文语种】: