ASTM D2710-2009 电化学滴定法对石油烃溴指数的测试方法

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【英文标准名称】:StandardTestMethodforBromineIndexofPetroleumHydrocarbonsbyElectrometricTitration
【原文标准名称】:电化学滴定法对石油烃溴指数的测试方法
【标准号】:ASTMD2710-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D02.04.0D
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:bromide-bromatesolution;bromineindex;electrometrictitration;hydrocarbons;petroleum;Hydrocarbons;Petroleumproducts;Bromide-bromatesolution;Bromineindex;Electrometrictitration
【摘要】:Thistestmethodprovidesameasureoftraceamountsofunsaturatedhydrocarbonsinpetroleumdistillatesboilingupto288x00B0;C(550x00B0;F).Anestimateofthequantityofthesematerialsisusefulinassessingthesuitabilityofthelighterfractionsforuseasreactionsolvents.1.1Thistestmethodcoversthedeterminationoftheamountofbromine-reactivematerialinpetroleumhydrocarbonsandisthusameasureoftraceamountsofunsaturatesinthesematerials.Itisapplicabletomaterialshavingbromineindexesbelow1000.1.2Thistestmethodisapplicableonlytoessentiallyolefin-freehydrocarbonsormixturesthataresubstantiallyfreefrommateriallighterthanisobutaneandhaveadistillationendpointunder288x00B0;C(550x00B0;F).Note18212;Thisprocedurehasbeencooperativelytestedonmaterialswithbromineindexesintherangefrom100to1000.Thesematerialsincludepetroleumdistillatessuchasstraight-runandhydrocrackednaphtha,reformerfeed,kerosine,andaviationturbinefuel.Note28212;Materialswithbromineindexgreaterthan1000shouldbetestedforbrominenumberusingTestMethodD1159/IP130.Note38212;BromineindexofindustrialaromatichydrocarbonsshouldbedeterminedusingTestMethodD1492orD5776.Thesubcommitteeiscurrentlyexaminingwaystoachievemoreconsistentendpointvalues.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesstatedininch-poundunitsareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E30
【国际标准分类号】:75_100
【页数】:4P.;A4
【正文语种】:英语


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【英文标准名称】:TestMethodforAnalysisofp-XylenebyGasChromatography
【原文标准名称】:气相色谱法分析对二甲苯的试验方法
【标准号】:ASTMD3798-1996
【标准状态】:作废
【国别】:美国
【发布日期】:1996
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:芳烃;涂料;芳族化合物;分析;二甲苯;溶剂
【英文主题词】:paints;aromatichydrocarbons;analysis;xylene;solvents;aromaticcompounds
【摘要】:
【中国标准分类号】:G17
【国际标准分类号】:71_080_15
【页数】:
【正文语种】:英语


【英文标准名称】:Railwayapplications.Fixedinstallations.Electricalsafety,earthingandthereturncircuit.Protectiveprovisionsagainstelectricshock
【原文标准名称】:铁路设施.固定装置.接地和回路的电气安全.防触电保护措施
【标准号】:BSEN50122-1-2011+A1-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-05-31
【实施或试行日期】:2011-05-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:ACnetwork;Accidentprevention;Currentcollectors;Definitions;Direct-currentsystem;Earthing;Electricpowersystems;Electricalengineering;Electricalsafety;Elevatedrailways;Mainssupply;Materialhaulingtracks;Mountainrailways;Overheadcontactlines;Protectionagainstelectricshocks;Protectivemeasures;Railwayapplications;Railwaycatenaries;Railwayinstallations;Railways;Safety;Safetydevice;Safetyrequirements;Stationary;Tractioncurrents;Tramwaysystems;Trolleycoaches;Undergroundrailways
【摘要】:ThisEuropeanStandardspecifiesrequirementsfortheprotectiveprovisionsrelatingtoelectricalsafetyinfixedinstallationsassociatedwitha.c.and/ord.c.tractionsystemsandtoanyinstallationsthatcanbeendangeredbythetractionpowersupplysystem.Italsoappliestoallaspectsoffixedinstallationsthatarenecessarytoensureelectricalsafetyduringmaintenanceworkwithinelectrictractionsystems.ThisEuropeanStandardappliestoallnewlinesandtoallmajorrevisionstoexistinglinesforthefollowingelectrictractionsystems:a)railways;b)guidedmasstransportsystemssuchas1)tramways,2)elevatedandundergroundrailways,3)mountainrailways,4)trolleybussystems,and5)magneticallylevitatedsystems,whichuseacontactlinesystem,c)materialtransportationsystems.ThisEuropeanStandarddoesnotapplyto:d)minetractionsystemsinundergroundmines;e)cranes,transportableplatformsandsimilartransportationequipmentonrails,temporarystructures(e.g.exhibitionstructures)insofarasthesearenotsupplieddirectlyorviatransformersfromthecontactlinesystemandarenotendangeredbythetractionpowersupplysystem;f)suspendedcablecars;g)funicularrailways.ThisEuropeanStandarddoesnotspecifyworkingrulesformaintenance.
【中国标准分类号】:S35
【国际标准分类号】:29_120_50;29_280
【页数】:86P.;A4
【正文语种】:英语