YS/T 539.8-2006 镍基合金粉化学分析方法 新亚铜灵-三氯甲烷萃取分光光度法测定铜量

上一篇: YS/T 537-2006 镍基喷涂合金粉
下一篇: YS/T 540.4-2006 钒化学分析方法 邻菲啰啉光度法测定铁量

【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


【英文标准名称】:Specificationforindustrialrigidlaminatedsheetsbasedonthermosettingresinsforelectricalpurposes;part3:specificationsforindividualmaterials;sheet1:typesofindustrialrigidlaminatedsheets
【原文标准名称】:电工用热固性树脂工业硬质层压片规范第3部分:专用材料规范活页1:工业硬质层压片类型
【标准号】:IEC60893-3-1-1992
【标准状态】:作废
【国别】:国际
【发布日期】:1992-05
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/SC15C
【标准类型】:()
【标准水平】:()
【中文主题词】:树脂;板条;试验;电气工程;叠层板材;淬硬性;型式特性
【英文主题词】:
【摘要】:
【中国标准分类号】:K15
【国际标准分类号】:29_035_20
【页数】:7P;A4
【正文语种】:英语