BS 1743 Sec.16.3-1987 奶粉和奶粉制品的分析方法.第16部分:硝酸盐和亚硝酸盐的测定.第3节:硝酸盐含量的镉还原和光谱测量筛选测定法

上一篇: BS 4285 SubSec.3.4.1-1987 乳品的微生物检验.第3部分:微生物种群的检测和(或)计数方法第4节:脂解微生物的计数方法.第1小节:维多利亚蓝法
下一篇: BS 4939-1987 铺地纺织物承受长期静态重负荷后厚度损失的测定方法

标准名称：	钩型锁（拉、剪、弯）综合承力锁环 球形座
中标分类：	航空、航天 >> 航空器与航天器零部件 >> 紧固件
发布日期：	1999-03-12
实施日期：	1999-07-01
首发日期：	1900-01-01
作废日期：	1900-01-01
出版日期：	1900-01-01
页数：	1页

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【英文标准名称】:StandardTestMethodforHydrocarbonTypesinLiquidPetroleumProductsbyFluorescentIndicatorAdsorption
【原文标准名称】:荧光指示剂吸附法测定液体石油产品中的烃类的标准试验方法
【标准号】:ASTMD1319-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D02.04.0C
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aromatics;fluorescentindicatoradsorption(FIA);hydrocarbontypes;olefins;saturates;Aromaticcompounds;Fluorescence--petroleumproducts;Hydrocarboncontent;Liquidchromatography(LC);Olefinscontent;Petroleumfractions;Petroleumproducts(liqu
【摘要】:Thedeterminationofthetotalvolume%ofsaturates,olefins,andaromaticsinpetroleumfractionsisimportantincharacterizingthequalityofpetroleumfractionsasgasolineblendingcomponentsandasfeedstocatalyticreformingprocesses.Thisinformationisalsoimportantincharacterizingpetroleumfractionsandproductsfromcatalyticreformingandfromthermalandcatalyticcrackingasblendingcomponentsformotorandaviationfuels.Thisinformationisalsoimportantasameasureofthequalityoffuels,suchasspecifiedinSpecificationD1655.1.1Thistestmethodcoversthedeterminationofhydrocarbontypesovertheconcentrationrangesfrom5to99volume%aromatics,0.3to55volume%olefins,and1to95volume%saturatesinpetroleumfractionsthatdistillbelow315x00B0;C.Thistestmethodmayapplytoconcentrationsoutsidetheseranges,buttheprecisionhasnotbeendetermined.Samplescontainingdark-coloredcomponentsthatinterfereinreadingthechromatographicbandscannotbeanalyzed.Note18212;Forthedeterminationofolefinsbelow0.3volume%,othertestmethodsareavailable,suchasTestMethodD2710.1.2Thistestmethodisintendedforusewithfullboilingrangeproducts.Cooperativedatahaveestablishedthattheprecisionstatementdoesnotapplytonarrowboilingpetroleumfractionsnearthe315x00B0;Climit.Suchsamplesarenotelutedproperly,andresultsareerratic.1.3Theapplicabilityofthistestmethodtoproductsderivedfromfossilfuelsotherthanpetroleum,suchascoal,shale,ortarsands,hasnotbeendetermined,andtheprecisionstatementmayormaynotapplytosuchproducts.1.4Thistestmethodhastwoprecisionstatementsdepictedintables.Thefirsttableisapplicabletounleadedfuelsthatdonotcontainoxygenatedblendingcomponents.Itmayormaynotapplytoautomotivegasolinescontainingleadantiknockmixtures.Thesecondtableisapplicabletooxygenateblended(forexample,MTBE,ethanol)automotivesparkignitionfuelsampleswithaconcentrationrangeof13x2013;40volumepercentaromatics,4x2013;33volumepercentolefins,and45x2013;68volumepercentsaturates.1.5Theoxygenatedblendingcomponents,methanol,ethanol,methyl-tert-butylether(MTBE),tert-amylmethylether(TAME),andethyl-tert-butylether(ETBE),donotinterferewiththedeterminationofhydrocarbontypesatconcentrationsnormallyfoundincommercialblends.Theseoxygenatedcomponentsarenotdetectedsincetheyelutewiththealcoholdesorbent.Otheroxygenatedcompoundsshallbeindividuallyverified.Whensamplescontainingoxygenatedblendingcomponentsareanalyzed,correcttheresultstoatotal-samplebasis.1.6WARNINGMercuryhasbeendesignatedbymanyregulatoryagenciesasahazardousmaterialthatcancausecentralnervoussystem,kidneyandliverdamage.Mercury,oritsvapor,maybehazardoustohealthandcorrosivetomaterials.Cautionshouldbetakenwhenhandlingmercuryandmercurycontainingproducts.SeetheapplicableproductMaterialSafetyDataSheet(MSDS)fordetailsandEPAx2019;swebsitehttp://www.epa.gov/mercury/faq.htmforadditionalinformation.Usersshouldbeawarethatsellingmercuryand/ormercury......
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:7P.;A4
【正文语种】:英语