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BS ISO 6978-2-2003 天然气.汞的测定.用金/铂合金混汞法对汞的采样

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【英文标准名称】:Naturalgas-Determinationofmercury-Samplingofmercurybyamalgamationongold/platinumalloy
【原文标准名称】:天然气.汞的测定.用金/铂合金混汞法对汞的采样
【标准号】:BSISO6978-2-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2003-12-17
【实施或试行日期】:2003-12-17
【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】:天然气;含量测定;抽样方法;气体分析;化学分析和试验;碘;汞;化学吸附
【英文主题词】:Amalgamation;Chemicalanalysisandtesting;Chemisorption;Determinationofcontent;Gasanalysis;Gastechnology;Goldalloys;Iodine;Materialstesting;Mercury;Naturalgas;Platinumalloys;Samplingmethods;Testing
【摘要】:ThispartofISO6978specifiesamethodforthedeterminationoftotalmercurycontentofpipelinequalitynaturalgasusingasamplingmethodbyamalgamationongold/platinum(Au/Pt)alloythread.Thismethodisapplicabletothesamplingofrawnaturalgaswhennocondensationispresent.Atatmosphericpressure,thismethodissuitableforthedeterminationofmercurycontentwithintherangeof0,01μg/mto100μg/minnaturalgassamples.Athigherpressures(upto8MPa),thissamplingmethodissuitableforthedeterminationofmercurycontentswithintherangeof0,001μg/mto1μg/m.Thecollectedmercuryisdeterminedbymeasuringtheabsorbanceorfluorescenceofmercuryvapourat253,7nm.NOTEISO6978-1givesasamplingmethodsuitableforthedeterminationofmercurycontentsinnaturalgasbychemisorptiononiodine-impregnatedsilicagelfortheworkingrangeof0,1μg/mto5000μg/mforsamplingatpressuresupto40MPa.
【中国标准分类号】:E24
【国际标准分类号】:75_060
【页数】:26P.;A4
【正文语种】:英语


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【英文标准名称】:StandardPracticeforExaminingAndPreparingItemsThatAreOrMayBecomeInvolvedInCriminalorCivilLitigation
【原文标准名称】:卷入或可能卷入刑事或民事诉讼的检验及准备项目用标准实施规程
【标准号】:ASTME860-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:E30.11
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:支持;调查;材料;质量;统计学;试样;测试
【英文主题词】:evidencecollectionandpreservation;forensicengineers;forensicsciences
【摘要】:Thispracticeestablishesprocedurestobefollowedtodocumentthenature,state,orconditionofitemsofevidence.Italsodescribesspecificactionsthatarerequiredifplannedtesting,examination,disassembly,orotheractionsarelikelytoalterthenature,state,orconditionoftheevidencesoastoprecludeoradverselylimitadditionalexaminationortesting.1.1Thispracticesetsforthguidelinesfortheexaminationandtestingofactualitemsorsystems(hereinaftertermedevidence)thatmayhavebeeninvolvedinaspecificincidentthatareormaybereasonablyexpectedtobethesubjectofcivilorcriminallitigation.Thispracticeisintendedtobecomeapplicablewhenitisdeterminedthatexaminationortestingofevidenceisrequired,andsuchexaminationislikelytochangethenature,stateorconditionoftheevidence.1.2Thispracticerecommendsgenerallyacceptableprofessionalpractice,althoughthefactsandissuesofeachsituationmayrequirespecificconsiderationsnotexpresslyaddressedherein.Deviationsfromthispracticearenotnecessarilywrongorinferior,butsuchdeviationsshouldbejustifiedanddocumented.1.3Thispracticeoffersasetofinstructionsforperformingoneormorespecificoperations.Thisdocumentcannotreplaceeducation,training,orexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthispracticemaybeapplicableinallcircumstances.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A00
【国际标准分类号】:03_120_20
【页数】:2P.;A4
【正文语种】: