ASTM D7504-2009e1 用气相色谱法和有效碳数的单环芳烃中痕量杂质的标准试验方法

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【英文标准名称】:StandardTestMethodforTraceImpuritiesinMonocyclicAromaticHydrocarbonsbyGasChromatographyandEffectiveCarbonNumber
【原文标准名称】:用气相色谱法和有效碳数的单环芳烃中痕量杂质的标准试验方法
【标准号】:ASTMD7504-2009e1
【标准状态】:现行
【国别】:
【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】:D16.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:芳香族的;ECN;气相色谱法;杂质;纯度;甲苯;混合的二甲苯;有效碳数;单环芳烃;痕量杂质
【英文主题词】:aromatics;ECN;gaschromatography;impurities;purity;p-xylene;toluene;mixedxylenes;Effectivecarbonnumber;Gaschromatography(GC);Monocyclicaromatichydrocarbons;Traceimpurities
【摘要】:Determiningthetypeandamountofhydrocarbonimpuritiesremainingfromthemanufactureoftoluene,mixedxylenes,andp-xyleneusedaschemicalintermediatesandsolventsisoftenrequired.Thistestmethodissuitable
【中国标准分类号】:G17
【国际标准分类号】:71_080_15
【页数】:8P.;A4
【正文语种】:


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Product Code:SAE AMS4426
Title:Castings, Sand, Magnesium Alloy, 5.1y 3.0re 0.70zr (We54-T6), Solution and Precipitation Heat Treated
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers a magnesium alloy in the form of sand castings. Primarily for parts requiring high yield strength up to 570 degrees F (299 degrees C) and excellent corrosion resistance.【英文标准名称】:Animalfeedingstuffs-IsolationandenumerationofEnterococcus(E.faecium)spp.;GermanversionEN15788:2009
【原文标准名称】:牲畜饲料.肠球菌的分离和计数,德文版本EN15788:2009
【标准号】:DINEN15788-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-12
【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】:
【英文主题词】:Additives;Agriculturalproducts;Agriculture;Animalfeed;Bacillus;Bacteria;Bacteriacountmethods;Chemicalanalysisandtesting;Colonycounttechniques;Counting;Definitions;Determinationofcontent;Enterococci;Incubation;Inoculation;Instruments;Inter-laboratorytests;Investigationmethods;Methodsofanalysis;Microanalysis;Microchemicalanalysis;Microcolonycounts;Micro-organisms;Morphology;Samples;Samplingmethods;Separation;Systemology;Testreport
【摘要】:ThisEuropeanstandarddefinesgeneralrulesfortheenumerationofenterococciinfeedsamples(additives,premixturesandfeedingstuffs)thatcontainenterococci(E.faecium)asasinglemicroorganismcomponentorinamixturewithothermicroorganisms.Thisstandardisnotapplicableformineralfeedswhicharedefinedascomplementaryfeedingstuffscomposedmainlyofmineralsandcontainingatleast40%crudeash(CouncilDirective79/373/EEC).
【中国标准分类号】:B46
【国际标准分类号】:65_120
【页数】:16P.;A4
【正文语种】:德语