ASTM E2469-2008a 用离子色谱法测定一,二和三乙烯基乙二醇中氯化物的标准试验方法

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【英文标准名称】:StandardTestMethodforChlorideinMono-,Di-andTri-ethyleneGlycolbyIonChromatography
【原文标准名称】:用离子色谱法测定一,二和三乙烯基乙二醇中氯化物的标准试验方法
【标准号】:ASTME2469-2008a
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:chloride;IC;ionchromatography;MEG;monoethyleneglycol;DEG;diethyleneglycol;TEG;triethyleneglycol;Chlorideanalysis;Ionchromatography(IC);Monoethyleneglycol(MEG)
【摘要】:Thistestmethodprovidesforthequantitativedeterminationofinorganicchloride(chlorideion)inmonoethyleneglycol(MEG),diethyleneglycol(DEG)andtriethyleneglycol(TEG)usingionchromatographywithconductivitydetection.Theanalysistimeislessthan5minwithlittleornosamplepreparationrequired.Conductivitydetectionisauniversaldetectionmodeandislinearovertherangeofthemethod.Acceptablelevelsofchlorideinpolyester-gradeandlow-conductivity-gradeMEGvarywiththemanufacturerx2019;sspecificationsbutarenormallyinthelowmg/kgrange.Knowledgeofthechloridecontentinpolyester-gradeandlow-conductivity-gradeMEGisrequiredtoestablishwhethertheMEGproductmeetsspecificationrequirements.Glycolshavehighviscositiesandadilutionwithhighqualitydeionizedwatermayberequireddependingonthecapabilityoftheautosampler,ifused,todelivertheinjection.Allstandardsandsamples,whetherdilutedornotshouldbetreatedinthesamemanner.1.1Thistestmethodcoversthedeterminationofinorganicchloride(chlorideion)inmonoethyleneglycol(MEG),diethyleneglycol(DEG)andtriethyleneglycol(TEG)intherangeof0.01to1.0mg/kgbyionchromatography(IC).1.2Ethyleneglycolcanbeanalyzeddirectlybythistestmethodwithoutanysamplepreparationordilutedwithhighqualitydeionizedwaterifanautosamplerisusedanddilutionisnecessary(thatis,50:50orothersuitableratio).1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3.1Theexceptionistheadditionalinformationof(psi)in9.3.3.1.4ReviewthecurrentMaterialSafetyDataSheets(MSDS)fordetailedinformationconcerningtoxicity,first-aidproceduresandsafetyprecautions.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection9.
【中国标准分类号】:G16
【国际标准分类号】:71_040_40
【页数】:10P.;A4
【正文语种】:英语


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【英文标准名称】:Junctionboxesforphotovoltaicmodules.
【原文标准名称】:光生伏打组件用接线盒.
【标准号】:NFC57-114-2011
【标准状态】:现行
【国别】:法国
【发布日期】:2011-10-01
【实施或试行日期】:2011-10-21
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Applicabilityclasses;Climatic;Connectionboxes;Connectors;Definitions;Electricpowergeneration;Electricpowersystems;Electricalengineering;Electricalsafety;Electricaltesting;Insulatingmaterials;Life(durability);Marking;Mechanicaltesting;Photovoltaics;Ratedvoltages;Safety;Safetyrequirements;Solartechnics;Testing;Thermaltesting
【摘要】:
【中国标准分类号】:F12
【国际标准分类号】:27_160;29_120_10
【页数】:47P;A4
【正文语种】:其他


【英文标准名称】:Valves-Flanged,Threaded,andWeldingEnd
【原文标准名称】:阀门.法兰,螺纹和焊接端
【标准号】:ANSI/ASMEB16.34-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:尺寸规格;法兰式阀;作标记;材料规范;无损检验;规范(验收);测试;阀门;焊接端
【英文主题词】:Dimensions;Flangedvalves;Marking;Materialsspecification;Non-destructivetesting;Specification(approval);Testing;Valves;Weldingends
【摘要】:ThisStandardappliestonewconstructionandcoverspressure-temperatureratings,dimensions,tolerances,materials,nondestructiveexaminationrequirements,testing,andmarkingforcast,forged,andfabricatedflanged,threaded,andweldingendandwaferorflangelessvalvesofsteel,nickel-basealloys,andotheralloys.Waferorflangelessvalves,boltedorthrough-bolttypes,thatareinstalledbetweenflangesoragainstaflangearetreatedasflanged-endvalves.AlternativerulesforNPS21?2andsmallervalvesaregiven.
【中国标准分类号】:J10
【国际标准分类号】:23_060_10
【页数】:
【正文语种】:英语