SAE AS85421 Fittings, Tube, Fluid Systems, Separable, Beam Seal, 3000/4000 psi, General Specification For
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来源:标准资料网
Product Code:SAE AS85421
Title:Fittings, Tube, Fluid Systems, Separable, Beam Seal, 3000/4000 psi, General Specification For
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:This specification covers the design requirements and test procedures for separable beam seal fittings which includes end fittings (see 2.3.3), fitting bodies (see 2.3.6), and boss fittings (see 2.3.1) for use in aerospace fluid systems. Design requirements are for class 3000 in corrosion resistant steel (CRES) only and for class 4000 in titanium alloy (Ti) only. Definition of fittings and related terms are defined in 2.3.
【英文标准名称】:Workplaceair-Determinationofmercuryandinorganicmercurycompounds-Methodbycoldvapouratomicabsorptionspectrometryoratomicfluorescencespectrometry
【原文标准名称】:工作场所空气.汞和无机汞化合物的测定.低温蒸气原子吸收光谱测定法或原子荧光光谱测定法
【标准号】:BSISO17733-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-11-30
【实施或试行日期】:2004-11-30
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;原子吸收光谱测定法;工作地点;空气质量;含量测定;气体分析;汞;质量浓度;原子吸收分光光度测定法;汞化合物;汞无机化合物;化学分析和试验;原子荧光分光光度测定法
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiesaprocedurefordeterminationofthetime-weightedaveragemassconcentrationofmercuryvapourandinorganicmercurycompoundsinworkplaceair.Mercuryvapouriscollectedonasolidsorbentusingeitheradiffusivebadgeorapumpedsorbenttube.Particulateinorganicmercurycompounds,ifpresent,arecollectedonaquartzfibrefilter.Samplesareanalysedusingeithercoldvapouratomicabsorptionspectrometry(CVAAS)orcoldvapouratomicfluorescencespectrometry(CVAFS)afteraciddissolutionofthemercurycollected.ThisInternationalStandardisapplicabletotheassessmentofpersonalexposuretomercuryvapourand/orparticulateinorganicmercurycompoundsinairforcomparisonwithlong-termorshort-termexposurelimitsformercuryandinorganicmercurycompoundsandforstatic(area)sampling.Thelowerlimitoftheworkingrangeoftheprocedureisthequantificationlimit.Thisisdeterminedbythesamplingandanalysismethodsselectedbytheuser,butitistypicallyintherange0,01μgto0,04μgofmercury(see13.1).Theupperlimitoftheworkingrangeoftheprocedureisdeterminedbythecapacityofthediffusivebadge,sorbenttubeorfilterusedforsamplecollection,butitisatleast30μgofmercury(see13.2).TheconcentrationrangeofmercuryinairforwhichthisInternationalStandardisapplicableisdeterminedinpartbythesamplingmethodselectedbytheuser,butitisalsodependentontheairsamplevolume.Thediffusivebadgemethodisnotapplicabletomeasurementsofmercuryvapourwhenchlorineispresentintheatmosphere,e.g.inchloralkaliworks,butchlorinedoesnotinterferewiththepumpedsorbenttubemethod(see13.11.1).Gaseousorgano-mercurycompoundscouldcauseapositiveinterferenceinthemeasurementofmercuryvapour(see13.11.2).Similarly,particulateorgano-mercurycompoundsandgaseousorgano-mercurycompoundsadsorbedontoairborneparticlescouldcauseapositiveinterferenceinthemeasurementofparticulateinorganicmercurycompounds(see13.11.3).
【中国标准分类号】:Z15
【国际标准分类号】:13_040_30
【页数】:60P;A4
【正文语种】:英语
【英文标准名称】:Rollingstock--Testingofrollingstockoncompletionofconstructionandbeforeentryintoservice
【原文标准名称】:全部车辆.竣工后投入使用前全部车辆的试验
【标准号】:JISE4041-2009
【标准状态】:现行
【国别】:日本
【发布日期】:2009-04-28
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonRailwaysandRollingStock
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:S30
【国际标准分类号】:45_060_01
【页数】:80P;A4
【正文语种】:日语
