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SAE AMS4188/2 Aluminum Alloy, Welding Wire 4.6cu 0.35mn 0.25mg 0.22ti (Cancelled Dec 2002, Superseded by AMS4244)

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Product Code:SAE AMS4188/2
Title:Aluminum Alloy, Welding Wire 4.6cu 0.35mn 0.25mg 0.22ti (Cancelled Dec 2002, Superseded by AMS4244)
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:Primarily for welding, including repair welding, of aluminum alloy castings of similar composition.
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【英文标准名称】:Methodsforchemicalanalysisoftobaccoandtobaccoproducts-Determinationofvapour-phasenicotineinair(gas-chromatographicmethod)
【原文标准名称】:烟叶和烟草制品化学分析方法.第18部分:空气中汽态烟碱测定(气相色谱法)
【标准号】:BS5202-18-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-04-15
【实施或试行日期】:1997-04-15
【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】:烟草;干扰(化学);精密度;气相色谱法;定量分析;烟草试验;浓度(化学);文献索引;空气;烟碱;烟;数学计算;化学分析和试验;试样制备;含量测定;再现性
【英文主题词】:Airpollution;Chemicalanalysisandtesting;Cigarettes;Cigars;Definition;Definitions;Determinationofcontent;Gaschromatography;Nicotine;Nicotinecontents;Testing;Tobacco;Tobaccoproducts
【摘要】:ThisInternationalStandardspecifiesamethodforthedeterminationofvapour-phasenicotineinambientair.Ifthemethodisusedtodeterminenicotinederivedfromtobaccosmoke,ithastobeacceptedthatwhilstairbornenicotineisaqualitativemarkertoconfirmthatsmokinghastakenplace,onthebasisofresearch,itsamountcannotbequantitativelyextrapolatedtoothersmokecom-ponents.NOTE1Forcommentsconcerninglimitationsof.useandfieldofapplica-tion,seeannexA,reference[1].
【中国标准分类号】:X85
【国际标准分类号】:65_160
【页数】:18P.;A4
【正文语种】:英语