ASTM E2664-2009a 处理涤纶级乙二醇的海洋船舶清洗甲醇壁的标准试验方法

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【英文标准名称】:StandardTestMethodforMethanolWallWashofMarineVesselsHandlingPolyesterGradeMonoethyleneGlycol
【原文标准名称】:处理涤纶级乙二醇的海洋船舶清洗甲醇壁的标准试验方法
【标准号】:ASTME2664-2009a
【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】:E15.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:appearance;chloride;color;hydrocarbons;methanol;polyestergrademonoethyleneglycol;wallwash;Appearance;Color;Hydrocarbons;Marinevessels;Methanol(methylalcohol);Polyestergradeethyleneglycol;Wallwash
【摘要】:Themethanolwallwashtestisperformedtodeterminethecleanlinessandsuitabilityofcargotanksorcompartmentsonamarinevesselpriortoloadingpolyestergrademonoethyleneglycol.Polyestergrademonoethyleneglycolhasveryhighqualityrequirementsandmustbehandledwithcare,asitisadverselyaffectedbyoxygen,hydrocarbons,waterandchloride.Itisespeciallysusceptibletoaromaticcontamination,whichdegradesUVtransmittance.Possiblesourcesofcontaminationarethepriorcargoesandcleaningagents.Themethanolwallwashprocedureprovidesarepresentativesamplingoftheimpuritiesandcontaminationpresentonthesidesofthecargotank.Thetestmethodsusedforanalysisofthemethanolwallwashsamplesarecapableofdetermininglowlevelsofimpuritiesorcontaminationinmethanol.Thesetestsincludeappearance,color,hydrocarbonsandchloride.Theproducersofpolyestergrademonoethyleneglycolneedconfirmationofthecleanlinessandsuitabilityofthemarinevesselx2019;stankspriortoloadingwithin-specificationmaterial.Cargotanksthatdonotpassthewallwashtestshouldnotbeloaded.AlternativetestmethodsandtechnologyforseveralofthemethodscanbefoundintheAppendix.Thealternativetestmethodsdonothaveprecisiondatafortheapplicationofthesemethodsinanalyzingmethanol.Useofthesemethodsisoptionalandindividualsusingthealternativemethodsshouldassurethemselvesthatthemethodissufficientlyprecise.Precisiondataisonlyfortheoriginaltestmethodslisted.1.1Thistestmethodcoversthemethanolwallwashprocedureandthechemicalandphysicalanalysisofthewallwashsamplingforcargotanksofmarinevesselshandlingpolyestergrademonoethyleneglycol.Thekeysectionsforthewallwashprocedureandtestmethodsappearinthefollowingorder:SectionsWallWashProcedure
7and8
Appearance
9-11
Color
12-14
Hydrocarbons
15-17
Chloride
18-21