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ASTM D2597-1994(2004) 含有二氧化氮和二氧化碳的馏除甲烷烃类液体混合物的气相色谱分析标准试验方法

作者:标准资料网 时间:2024-04-29 11:55:11  浏览:8859   来源:标准资料网
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【英文标准名称】:StandardTestMethodforAnalysisofDemethanizedHydrocarbonLiquidMixturesContainingNitrogenandCarbonDioxidebyGasChromatography
【原文标准名称】:含有二氧化氮和二氧化碳的馏除甲烷烃类液体混合物的气相色谱分析标准试验方法
【标准号】:ASTMD2597-1994(2004)
【标准状态】:现行
【国别】:
【发布日期】:1994
【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】:试验;石油产品;分析;二氧化碳;烃类;润滑剂;液体
【英文主题词】:Carbondioxidecontent;Chemicalanalysis-petroleumproducts;Compositionanalysis-petroleumproducts;Demethanizedliquidhydrocarbonmixtures;Gaschromatography-petroleumproducts;Hydrocarbons;Naturalgas-liquid(NGL)mixtures;analysisofdemethanizedhydrocarbonliquidmixturescontaining;nitrogen/carbondioxide,bygaschromatography,test
【摘要】:Thecomponentdistributionofhydrocarbonliquidmixturesisoftenrequiredasaspecificationanalysisforthesematerials.Wideuseofthesehydrocarbonmixturesaschemicalfeedstocksorasfuelrequireprecisecompositionaldatatoensureuniformqualityofthereactionproduct.Inaddition,custodytransferoftheseproductsisoftenmadeonthebasisofcomponentanalysesofliquidmixtures.Thecomponentdistributiondataofhydrocarbonmixturescanbeusedtocalculatephysicalproperties,suchasspecificgravity,vaporpressure,molecularweight,andotherimportantproperties.Precisionandaccuracyofcompositionaldataareextremelyimportantwhenthesedataareusedtocalculatephysicalpropertiesoftheseproducts.1.1Thistestmethodcoverstheanalysisofdemethanizedliquidhydrocarbonstreamscontainingnitrogen/airandcarbondioxide,andpurityproductssuchasanethane/propanemixthatfallwithinthecompositionalrangeslistedinTable1.Thistestmethodislimitedtomixturescontaininglessthan5mol%ofheptanesandheavierfractions.1.2Theheptanesandheavierfraction,whenpresentinthesample,isanalyzedbyeither()reverseflowofcarriergasafter-hexaneandpeakgroupingor()precutcolumntoeluteheptanesandheavierfirstasasinglepeak.Forpuritymixeswithoutheptanesandheaviernoreverseofcarrierflowisrequired.Note1-InthecaseofunknownsampleswitharelativelylargeCplusorCplusfractionandwherepreciseresultsareimportant,itisdesirabletodeterminethemolecularweight(orotherpertinentphysicalproperties)ofthesefractions.Sincethistestmethodmakesnoprovisionfordeterminingphysicalproperties,thephysicalpropertiesneededcanbedeterminedbyanextendedanalysisoragreedtobythecontractingparties.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.ForspecifichazardstatementsseeAnnexA3.
【中国标准分类号】:G17
【国际标准分类号】:75_080
【页数】:10P.;A4
【正文语种】:


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【英文标准名称】:StandardTestMethodforBlockingResistanceofArchitecturalPaints
【原文标准名称】:建筑涂料耐结块的标准试验方法
【标准号】:ASTMD4946-1989(2008)e1
【标准状态】:现行
【国别】:美国
【发布日期】:1989
【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】:D01.42
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:blocking;blockingresistance;sticking;tack;Architecturalpaints/coatings;Blocking;Emulsionvehicles(forpaints/relatedcoatings);Latexpaints;Solventbornepaints/coatings;Sticking;Tradesalespaint
【摘要】:Drypaintoftencomesincontactwithitselfespeciallyinwindowanddoorareasand,dependingonitshardness,thepressure,temperature,humidity,anddurationoftimethesurfacesareincontact,sometimesstickstoitself(blocks).Thisstringenttestmethodcanbeusedtocompareandratesubjectivelytheresistanceofpaintstoblocking.1.1Thistestmethodcoversanacceleratedprocedureforevaluatingtheface-to-faceblockingresistanceoftradessalespaints.ThisisnottobeconfusedwithblockingresistanceTestMethodD3003,whichisconcernedwithblockingofindustrialcoatingsonmetalsubstrates,norwithTestMethodD2793whichisconcernedspecificallywithwoodproductfinishesandreportsresultsonasatisfactoryornotsatisfactorybasis,ratherthanbythedegreeofblockingtendencyasinthistestmethod.1.2ThevaluesstatedintheSIunitsofmeasurementaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q18
【国际标准分类号】:87_040
【页数】:2P.;A4
【正文语种】:英语


【英文标准名称】:Ferritecores-Standardinductancefactor(AL)anditstolerance(IEC62358:2004);GermanversionEN62358:2004
【原文标准名称】:铁氧体磁心.标准电感系数及其公差
【标准号】:DINEN62358-2005
【标准状态】:作废
【国别】:德国
【发布日期】:2005-01
【实施或试行日期】:2005-01-01
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:E形铁芯;电磁元件;ETD铁芯;铁氧体磁心;磁铁;值;电感;公差(测量);电子设备及元件;标准;软磁体;电气元件;测量;测量技术;电气工程;壶形铁心;RM磁心
【英文主题词】:
【摘要】:
【中国标准分类号】:L19
【国际标准分类号】:29_100_10
【页数】:21P;A4
【正文语种】:德语



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