【英文标准名称】:TestMethodforTotalOlefinsinSpark-IgnitionEngineFuelsbyMulti-DimensionalGasChromatography
【原文标准名称】:利用多相气体色谱法测定点火引擎中总石蜡含量的试验方法
【标准号】:ANSI/ASTMD6296-1999
【标准状态】:作废
【国别】:美国
【发布日期】:1999
【实施或试行日期】:
【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】:分析方法;机动车燃料;尺寸;燃料;气相色谱法;气体;煤气;点火;液体燃料;链烯;物理化学法;火花点火;火花点火发动机;试验;
【英文主题词】:Analyticalmethods;Automotivefuels;Dimensions;Fuels;Gaschromatography;Gases;Ignition;Liquidfuels;Olefins;Physico-chemicalmethods;Sparkignitions;Spark-ignitionengines;Testing;Total
【摘要】:ThistestmethodprovidesforthequantitativedeterminationoftotalolefinsintheC4toC10rangeinspark-ignitionenginefuelsorrelatedhydrocarbonstreams,suchasnaphthasandcrackednaphthas.Olefinconcentrationsintherangefrom0.2to5.0liquid-volume%ormass%,orboth,canbedetermineddirectlyontheas-receivedsamplewhereasolefinsinsamplescontaininghigherconcentrationsaredeterminedafterappropriatesampledilutionpriortoanalysis.Thistestmethodisapplicabletosamplescontainingalcoholsandethers;however,samplescontaininggreaterthan15%alcoholmustbediluted.Samplescontaininggreaterthan5.0%ethermustalsobedilutedtothe5.0%orlesslevel,priortoanalysis.Whenethyl-tert-butyletherispresent,onlyolefinsintheC4toC9rangecanbedetermined.Thistestmethodcannotbeusedtodetermineindividualolefincomponents.ThistestmethodcannotbeusedtodetermineolefinshavinghighercarbonnumbersthanC10.Note1-PrecisionwasdeterminedonlyonsamplescontainingMTBEandethanol.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:T10
【国际标准分类号】:71_040_50;75_160_20
【页数】:
【正文语种】:英语