SAE AMS5020 Steel Bars, Forgings, and Tubing, Free-Cutting, 1.5Mn - 0.25Pb (0.32-0.39C) (11L37) (Cancelled Dec 2008)

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Product Code:SAE AMS5020
Title:Steel Bars, Forgings, and Tubing, Free-Cutting, 1.5Mn - 0.25Pb (0.32-0.39C) (11L37) (Cancelled Dec 2008)
Issuing Committee:Ams E Carbon And Low Alloy Steels Committee
Scope:This specification has been declared 驴CANCELLED驴 by the Aerospace Materials Division, SAE, as of December 2008. By this action, this document will remain listed in the Numerical Section of the Index of Aerospace Material Specifications indicating that it has been 驴CANCELLED驴.
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Product Code:SAE AMS7800
Title:Sheet, Strip and Plate Molybdenum, Powder Metallurgy, Sintered, Stress Relieved (Cancelled Apr 1987)
Issuing Committee:Ams G Titanium And Refractory Metals Committee
Scope:【英文标准名称】:Naturalgas-Determinationofmercury-Samplingofmercurybychemisorptiononiodine
【原文标准名称】:天然气.汞的测定.用碘化学吸附法进行汞的采样
【标准号】:BSENISO6978-1-2003
【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】:化学分析和测试;化学吸附;含量测定;气体分析;燃气技术;一般条件;碘;材料测试;汞;天然气;抽样方法;试验
【英文主题词】:Chemicalanalysisandtesting;Chemisorption;Determinationofcontent;Gasanalysis;Gastechnology;Generalconditions;Iodine;Materialstesting;Mercury;Naturalgas;Samplingmethods;Testing
【摘要】:ThispartofISO6978specifiesamethodforthedeterminationoftotalmercurycontentinnaturalgasusingasamplingmethodatpressuresupto40MPabychemisorptiononiodine-impregnatedsilicagel.Thissamplingmethodissuitableforthedeterminationofmercurycontentswithintherangeof0,1μg/mto5000μg/minnaturalgas.Thismethodisapplicabletosampledgasvolumescontaininglessthan20mghydrogensulfide(absolutecontent)andlessthanatotalliquidhydrocarboncondensateof10g/munderthesamplingconditions.Thecollectedmercuryisdeterminedbymeasuringtheabsorbanceorfluorescenceofmercuryvapourat253,7nm.NOTEISO6978-2givesasamplingmethodsuitableforthedeterminationofmercurycontentofpipelinenaturalgasbyamalgamationofmercuryongold/platinumalloythreadatatmosphericpressurefortherangeofmercuryfrom0,01μg/mto100μg/mandforsamplingathighpressure(upto8MPa)from0,001μg/mto1μg/m.
【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