DIN EN ISO 6978-2-2005 天然气.汞的测定.第2部分: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-Part2:Samplingofmercurybyamalgamationongold/platinumalloy(ISO6978-2:2003);EnglishversionofDINENISO6978-2
【原文标准名称】:天然气.汞的测定.第2部分:用金/铂合金混汞法对汞的采样
【标准号】:DINENISO6978-2-2005
【标准状态】:现行
【国别】:德国
【发布日期】:2005-09
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:化学分析和试验;气体分析;试验;混汞法;抽样方法;金合金;化学吸附;碘;材料试验;汞;铂合金;含量测定;燃气技术;天然气
【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,thismethodissuitableforthedeterminationofmercurycontentwithintherangeof0,01iJg/m3to100iJg/m3innaturalgassamples.Athigherpressures(upto8MPa),thissamplingmethodissuitableforthedeterminationofmercurycontentswithintherangeof0,001iJg/m3to1IJg/m3.Thecollectedmercuryisdeterminedbymeasuringtheabsorbanceorfluorescenceofmercuryvapourat253,7nm.NOTEISO6978-1givesasamplingmethodsuitableforthedeterminationofmercurycontentsinnaturalgasbychemisorptiononiodine-impregnatedsilicagelfortheworkingrangeof0,1pglm3to5000pg/m3forsamplingatpressuresupto40MPa.
【中国标准分类号】:E24
【国际标准分类号】:75_060
【页数】:20P.;A4
【正文语种】:英语
【原文标准名称】:天然气.汞的测定.第2部分:用金/铂合金混汞法对汞的采样
【标准号】:DINENISO6978-2-2005
【标准状态】:现行
【国别】:德国
【发布日期】:2005-09
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:化学分析和试验;气体分析;试验;混汞法;抽样方法;金合金;化学吸附;碘;材料试验;汞;铂合金;含量测定;燃气技术;天然气
【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,thismethodissuitableforthedeterminationofmercurycontentwithintherangeof0,01iJg/m3to100iJg/m3innaturalgassamples.Athigherpressures(upto8MPa),thissamplingmethodissuitableforthedeterminationofmercurycontentswithintherangeof0,001iJg/m3to1IJg/m3.Thecollectedmercuryisdeterminedbymeasuringtheabsorbanceorfluorescenceofmercuryvapourat253,7nm.NOTEISO6978-1givesasamplingmethodsuitableforthedeterminationofmercurycontentsinnaturalgasbychemisorptiononiodine-impregnatedsilicagelfortheworkingrangeof0,1pglm3to5000pg/m3forsamplingatpressuresupto40MPa.
【中国标准分类号】:E24
【国际标准分类号】:75_060
【页数】:20P.;A4
【正文语种】:英语
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