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Product Code:SAE AMS5778
Title:Nickel Alloy, Corrosion and Heat Resistant, Welding Wire, 72Ni - 15.5Cr - 1.0Cb(Nb) - 2.4Ti - 0.70Al - 7.0Fe
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion and heat-resistant nickel alloy in the form of welding wire.This wire has been used typically as filler metal for gas-metal-arc or gas-tungsten-arc welding of parts fabricated from alloys of similar composition, but usage is not limited to such applications.【英文标准名称】:Materialsandarticlesincontactwithfoodstuffs-Certainepoxyderivativessubjecttolimitation-DeterminationofNOGEanditshydroxyandchlorinatedderivatives
【原文标准名称】:接触食品的材料和物品.有限制条件的某种环氧衍生物.NOGE及其氢氧和含氯衍生物的测定
【标准号】:BSEN15137-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-03-31
【实施或试行日期】:2006-03-31
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:分析;物品;罐;覆层;触点;定义;诱导生成物;环氧衍生物;环氧树脂涂层;食品包装;食品;高效液相色谱法;高效液相色谱分析法;材料;接触食品的材料;材料规范;材料试验;分析方法;单体;试验;试验条件
【英文主题词】:Analysis;Articles;Cans;Coatings;Contact;Definitions;Derivatives;Epoxides;Epoxycoatings;Foodpackages;Foodproducts;Highperformanceliquidchromatography;HPLC;Materials;Materialsincontactwithfood;Materialsspecification;Materialstesting;Methodsofanalysis;Monomers;Testing;Testingconditions
【摘要】:ThisEuropeanstandarddescribesthedeterminationofNOGEcomponentswithmorethantwoaromaticrings(thetwo-ringNOGEisequaltoBFDGE=Bis(2-hydroxyphenyl)methanebis(2,3-epoxypropyl)ether)andatleastoneepoxygroupaswellastheirderivativescontainingchlorohydrinfunctionsandhavingamolecularmasslessthan1000Daltonsincancoatings.Ahighperformanceliquidchromatography(HPLC)methodisemployedbasedonreversedphaseHPLCandfluorescencedetection.ThemethodiscapableofdeterminingNOGEanditsderivativesataminimumlevelof1μg/mlinsolution.DirectHPLCanalysisofthecancoatingextractmayresultinchromatogramsdifficulttointerpret,duetointerferencefromothercomponentsortheinstabilityofthemonomerresultinginacomplexmixtureofderivativesand/orreactionproducts.Byforcedhydrolysisofallepoxygroupsandtheirreactionproducts,thequantificationoftheNOGEissimplifiedandtheidentitiesofthesubstancesareindicativelyconfirmed.NOTEInthisEuropeanstandardtheterm“NOGEanditsderivatives”referstotherequirementsofDirective2002/16/EC[1]anditsamendment,Directive2004/13/EC[2].ThisincludesNOGEcomponentswithmorethantwoaromaticringsandatleastoneepoxygroupaswellastheirderivativescontainingchlorohydrinfunctionsandhavingamolecularmasslessthan1000Daltons.
【中国标准分类号】:X04
【国际标准分类号】:67_250
【页数】:28P.;A4
【正文语种】:英语