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BS EN ISO 6978-2-2003 天然气.汞的测定.用碘/铂合金混和法采样汞

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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.用碘/铂合金混和法采样汞
【标准号】:BSENISO6978-2-2003
【标准状态】:现行
【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】:融合;化学分析和测试;化学吸附;含量测定;气体分析;燃气技术;金合金;碘;材料测试;汞;天然气;铂合金;抽样方法;试验
【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】:28P;A4
【正文语种】:英语


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Product Code:SAE J156
Title:Fusible Links
Issuing Committee:Cable Standards Committee
Scope:This standard covers supplemental requirements for low tension primary cable intended for use as Fusible Links (FuseLinks) at a nominal system voltage of 60 V DC (25 V AC) or less in surface vehicle electrical systems. Thesesupplemental requirements are intended to qualify cables for an extreme current overload.【英文标准名称】:Furniture;Assessmentofsurfaceresistancetocoldliquids
【原文标准名称】:家具表面抗冷液体性能的评定
【标准号】:ISO4211-1979
【标准状态】:现行
【国别】:国际
【发布日期】:1979-09
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC136
【标准类型】:()
【标准水平】:()
【中文主题词】:表面;食品;家具;液体;耐力;表面处理;表面检验;制冷的;塑料;测定;表面性质;精整;试验;评定
【英文主题词】:Cold;Determination;Evaluations;Finishes;Foodproducts;Furniture;Liquids;Plastics;Resistance;Surfaceinspections;Surfaceproperties;Surfaces;Testing;Tests;Treatmentsofsurfaces
【摘要】:Thespecifiedmethodappliestosurfacesoffinishedfurnitureortestpanelsofthesamematerialandfinishedintheidenticalmannerasthefinishedfurniturewithasizesufficienttomeettherequirementsofthetest.Thetypeandnumberoftestliquidsandthetestperiodscanbeselectedfromthetablesinclause5andintheannex.Thetestresultsareassessedintermsofadescriptivenumericalratingcode.
【中国标准分类号】:Y80
【国际标准分类号】:97_140
【页数】:4P.;A4
【正文语种】:英语