ASTM D2597-2010 气相色谱法分析含有二氧化氮和二氧化碳的馏除甲烷烃类液体混合物的标准试验方法

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【英文标准名称】:StandardTestMethodforAnalysisofDemethanizedHydrocarbonLiquidMixturesContainingNitrogenandCarbonDioxidebyGasChromatography
【原文标准名称】:气相色谱法分析含有二氧化氮和二氧化碳的馏除甲烷烃类液体混合物的标准试验方法
【标准号】:ASTMD2597-2010
【标准状态】:现行
【国别】:
【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.H0
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:二氧化碳;色谱法;馏除甲烷烃;烃类组成;液化石油气;液化天然气;氮;化学分析-石油产品;组分分析-石油产品;馏除甲烷烃类;气相色谱法(GC)-石油产品;烃类;液化石油气(LPG);液化天然气混合物(NGL);含氮量-石油产品
【英文主题词】:carbondioxide;chromatography;demethanizedhydrocarbons;hydrocarboncomposition;liquefiedpetroleumgases;naturalgasliquids;nitrogen;Carbondioxide;Chemicalanalysis--petroleumproducts;Compositionanalysis--petroleumproducts;Demethanizedhyd
【摘要】:Thecomponentdistributionofhydrocarbonliquidmixturesisoftenrequiredasaspecificationanalysisforthesematerials.Wideuseofthesehydrocarbonmixturesaschemicalfeedstocksorasfuelrequireprecisecompositionaldatatoensureuniformqualityofthereactionproduct.Inaddition,custodytransferoftheseproductsisoftenmadeonthebasisofcomponentanalysesofliquidmixtures.Thecomponentdistributiondataofhydrocarbonmixturescanbeusedtocalculatephysicalproperties,suchasspecificgravity,vaporpressure,molecularweight,andotherimportantproperties.Precisionandaccuracyofcompositionaldataareextremelyimportantwhenthesedataareusedtocalculatephysicalpropertiesoftheseproducts.Note38212;Specificationsforsomehydrocarbonliquidmixtures,suchasLPG,maybebasedoncompositionmeasuredbyTestMethod.NitrogenandcarbondioxidedeterminationsarenotwithinthescopeofTestMethod.1.1Thistestmethodcoverstheanalysisofdemethanizedliquidhydrocarbonstreamscontainingnitrogen/airandcarbondioxide,andpurityproducts,suchasanethane/propanemixthatfallwithinthecompositionalrangeslistedinTable1.Thistestmethodislimitedtomixturescontaininglessthan5mol%ofheptanesandheavierfractions.1.2Theheptanesandheavierfractions,whenpresentinthesample,areanalyzedbyeither(1)reverseflowofcarriergasaftern-hexaneandpeakgroupingor(2)precutcolumntoeluteheptanesandheavierfirstasasinglepeak.Forpuritymixeswithoutheptanesandheavier,noreverseofcarrierflowisrequired.(CautionInthecaseofsampleswitharelativelylargeC6+orC7+fractionandwherepreciseresultsareimportant,itisdesirabletodeterminethemolecularweight(orotherpertinentphysicalproperties)ofthesefractions.Sincethistestmethodmakesnoprovisionfordeterminingphysicalproperties,thephysicalpropertiesneededcanbedeterminedbyanextendedanalysisoragreedtobythecontractingparties.)1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Note18212;AnnexA2statesvaluesinmanometricunits,whicharetoberegardedasthestandardinthatsection.ApproximateSIunits(fromconversion)aregiveninparentheses.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G17
【国际标准分类号】:75_080
【页数】:11P.;A4
【正文语种】:


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【英文标准名称】:Spaceengineeringstandards-Functionalanalysis
【原文标准名称】:皮革和鞋靴材料用胶粘剂.基于溶剂的胶粘剂和分散胶粘剂.鞋底定位粘性(定点粘性)的测定
【标准号】:BSEN14514-2004
【标准状态】:作废
【国别】:英国
【发布日期】:2004-08
【实施或试行日期】:
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Spacetechnology;Functionalanalysis;Projectmanagement;Planning;Mathematicalanalysis;Dataoutput;Dataprocessing;Blockdiagrams
【摘要】:Thisdocumentdefinestherequirementstoperformfunctionalanalysisandtheinformationoutputofthatanalysis.Itappliestoalltypesandcombinationsofspacesystems,projectsandproducts.Italsoappliestoprojectphases0,A,BandCandatalllevels.Whenviewedfromtheperspectiveofaspecificprojectcontext,therequirementsdefinedinthisdocumentshouldbetailoredtomatchthegenuinerequirementsofaparticularprofileandcircumstancesofaproject.NOTETailoringisaprocessbywhichindividualrequirementsofspecifications,standardsandrelateddocumentsareevaluatedandmadeapplicabletoaspecificprojectbyselection,andinsomeexceptionalcases,modificationofexistingoradditionofnewrequirements.
【中国标准分类号】:G38
【国际标准分类号】:49_140
【页数】:25P.;A4
【正文语种】:英语


【英文标准名称】:Connectorsforelectronicequipment-Productrequirements-Part3-001:Rectangularconnectors-Blankdetailspecification(IEC61076-3-001:2008);GermanversionEN61076-3-001:2008
【原文标准名称】:电子设备用连接器.产品要求.第3-001部分:矩形接插件.空白详细规范(IEC61076-3-001-2008).德文版本EN61076-3-001-2008
【标准号】:EN61076-3-001-2008
【标准状态】:现行
【国别】:
【发布日期】:2009-07
【实施或试行日期】:2009-07-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:空白格式;插接件连接;连接器的连接件;详细规范;尺寸;直流电压;电插头;电气工程;电子设备;电子设备及元件;电子仪器;尺寸指示;多语种的;额定值;矩形连接器;分规范;屏蔽的;规范;规范(验收);试验
【英文主题词】:Audiosystems;Blankforms;Connectoredjoints;Detailspecification;Dimensions;Directvoltage;Electricplugs;Electricalengineering;Electronicequipment;Electronicequipmentandcomponents;Electronicinstruments;Indicationofdimensions;Multilingual;Ratings;Rectangularconnectors;Sectionalspecification;Shielded;Specification;Specification(approval);Testing
【摘要】:
【中国标准分类号】:
【国际标准分类号】:31_220_10
【页数】:82P.;A4
【正文语种】:英语