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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】:Harmonizedsystemofqualityassessmentforelectroniccomponents.Detailspecification.Circularconnectors.Roundcontacts,sizediameter1,6mm,threadedcoupling
【原文标准名称】:电子元器件质量评定协调制度.详细规范.环形连接器.螺纹接头直径1.6mm圆触点
【标准号】:BSEN175201-804-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-04-15
【实施或试行日期】:2000-04-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:验收(鉴定);认可试验;圆形;设计;名称与符号;详细规范;直径;尺寸规格;电连接器;电触点;电插头;电气元件;电气工程;材料的电学性质;电气测试;电子设备及元件;量规;检验;作标记;材料的机械性能;插头;资格鉴定;质量评定;质量保证;质量保证体系;规范(验收);螺纹零件
【英文主题词】:Acceptance(approval);Approvaltesting;Circularshape;Design;Designations;Detailspecification;Diameter;Dimensions;Electricconnectors;Electriccontacts;Electricplugs;Electricalcomponents;Electricalengineering;Electricalpropertiesofmaterials;Electricaltesting;Electronicequipmentandcomponents;Gauges;Inspection;Marking;Mechanicalpropertiesofmaterials;Plugs;Qualificationapproval;Qualityassessment;Qualityassurance;Qualityassurancesystems;Specification(approval);Threadedcomponents
【摘要】:Detailspecificationforcircularconnectors,roundcontacts,size1,6mm,threadedcoupling.6or11contacts+protectiveearthcontacts(PE)Termination:Crimpandsolder
【中国标准分类号】:L23
【国际标准分类号】:31_220_10
【页数】:52P.;A4
【正文语种】:英语