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ANSI/ASTM D5580-2002 气相色谱测定汽油成品中苯、甲苯、乙苯、顺式、反式C9和重芳香族及全部芳香族的试验方法

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【英文标准名称】:TestMethodforDeterminationofBenzene,Toluene,Ethylbenzene,p/m-Xylene,o-Xylene,C9andHeavierAromatics,andTotalAromaticsinFinishedGasolinebyGasChromatography
【原文标准名称】:气相色谱测定汽油成品中苯、甲苯、乙苯、顺式、反式C9和重芳香族及全部芳香族的试验方法
【标准号】:ANSI/ASTMD5580-2002
【标准状态】:作废
【国别】:美国
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:芳烃;苯;乙苯;气相色谱法;汽油;石油产品;试验;甲苯;二甲苯
【英文主题词】:Aromatichydrocarbons;Benzene;Ethylbenzene;Gaschromatography;Gasoline;Petroleumproducts;Tests;Toluene;Xylene
【摘要】:Thistestmethodcoversthedeterminationofbenzene,toluene,ethylbenzene,thexylenes,Candheavieraromatics,andtotalaromaticsinfinishedmotorgasolinebygaschromatography.Thearomatichydrocarbonsareseparatedwithoutinterferencesfromotherhydrocarbonsinfinishedgasoline.Nonaromatichydrocarbonshavingaboilingpointgreaterthann-dodecanemaycauseinterferenceswiththedeterminationoftheCandheavieraromatics.FortheCaromatics,p-xyleneandm-xyleneco-elutewhileethylbenzeneando-xyleneareseparated.TheCandheavieraromaticsaredeterminedasasinglegroup.Thistestmethodcoversthefollowingconcentrationranges,inliquidvolume%,fortheprecedingaromatics:benzene,0.1to5%;toluene,1to15%;individualCaromatics,0.5to10%;totalCandheavieraromatics,5to30%,andtotalaromatics,10to80%.Resultsarereportedtothenearest0.01%byeithermassorbyliquidvolume.Manyofthecommonalcoholsandethersthatareaddedtogasolinetoreducecarbonmonoxideemissionsandincreaseoctane,donotinterferewiththeanalysis.Etherssuchasmethyltert-butylether(MTBE),ethyltert-butylether(ETBE),tert-amylmethylether(TAME),anddiisopropylether(DIPE)havebeenfoundtoelutefromtheprecolumnwiththenonaromatichydrocarbonstovent.Otheroxygenates,includingmethanolandethanolelutebeforebenzeneandthearomatichydrocarbons.1-Methylcyclopentenehasalsobeenfoundtoelutefromtheprecolumntoventanddoesnotinterferewithbenzene.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:
【正文语种】:英语


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【英文标准名称】:StandardSpecificationforPhosphorizedCoppers-RefineryShapes
【原文标准名称】:增磷铜精炼型材标准规格
【标准号】:ASTMB379-2011
【标准状态】:现行
【国别】:
【发布日期】:2011-01-01
【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】:B05.07
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:无氧的;磷化铜块;磷化铜饼;磷化铜线棒
【英文主题词】:oxygen-free;phosphorizedcopperbillet;phosphorizedcoppercakes;phosphorizedcopperwirebar
【摘要】:1.1Thisspecificationestablishestherequirementsforphosphorizedcopperwirebars,billets,andcakes.Note18212;WirebarsfurnishedunderthisspecificationdonotconformindimensionswiththatfurnishedunderSpecificationB5.1.2Units8212;Valuesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunits,whichareprovidedforinformationonlyandarenotconsideredstandard.1.3Thefollowingsafetyhazardcaveatpertainsonlytothetestmethodinsections14.2and14.3inthisspecification.1.3.1Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:77_150_30
【页数】:5P.;A4
【正文语种】:


【英文标准名称】:Rubberandthermoplasticshosesandhoseassembliesforliquidorgaseouschemicals-Specification;GermanversionEN12115:1999
【原文标准名称】:液体或气体化合物用橡胶和热塑性软管及软管组件.规范
【标准号】:DINEN12115-1999
【标准状态】:作废
【国别】:德国
【发布日期】:1999-08
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:热塑性聚合物;橡胶技术;燃气软管;塑料软管;橡胶软管;气体的;化合物;金属;尺寸;规范(验收);储存;管;试验;液体;作标记;管道;阀门;管连接件
【英文主题词】:Chemicals;Dimensions;Flexiblegastubes;Flexiblepipes;Gaseous;Hoseassemblies;Liquid;Marking;Metals;Pipecouplings;Pipelines;Pipes;Plasticshose;Rubberhoses;Rubbertechnology;Specification(approval);Storage;Tankinstallations;Testing;Thermoplasticpolymers;Valves
【摘要】:Thedocumentspecifiesrequirementsfortwotypesofhoseassemblies(TypesDandSD)withhosesmadeofrubberofthermoplasticsandhosefittingsmadeofmetaldesignedtoconveyliquidorgaseoussubstances,termedthechemicalsconveyed.#,,#
【中国标准分类号】:G42
【国际标准分类号】:23_040_70
【页数】:13P.;A4
【正文语种】:德语