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BS ISO 8518-2005 工作场所空气.铅颗粒及铅化合物的测定.火焰或电热原子吸收光谱法

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【英文标准名称】:Workplaceair-Determinationofparticulateleadandleadcompounds-Flameorelectrothermalatomicabsorptionspectrometricmethod
【原文标准名称】:工作场所空气.铅颗粒及铅化合物的测定.火焰或电热原子吸收光谱法
【标准号】:BSISO8518-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-01-12
【实施或试行日期】:2005-01-12
【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】:工作场所;试验;含量测定;质量;铅;定义;空气;化学分析和试验;职业安全;原子吸收分光光度测定法;空气质量
【英文主题词】:Air;Airquality;Atomicabsorptionspectrophotometry;Chemicalanalysisandtesting;Definition;Definitions;Determinationofcontent;Lead;Occupationalsafety;Quality;Testing;Workingplaces
【摘要】:1ThisInternationalStandardspecifiesflameandelectrothermalatomicabsorptionspectrometricmethodsforthedeterminationofthetime-weightedaveragemassconcentrationofparticulateleadandleadcompoundsinworkplaceair.2Themethodisapplicabletopersonalsamplingoftheinhalablefractionofairborneparticles,asdefinedinISO7708,andtostatic(area)sampling.3Thesampledissolutionprocedurespecifieshotplateormicrowavedigestion,orultrasonicextraction(11.2).Theuseofanalternative,morevigorousdissolutionprocedureisnecessarywhenitisdesiredtoextractleadfromcompoundspresentinthetestatmospherethatareinsolubleusingthedissolutionproceduresdescribedherein.4Theflameatomicabsorptionmethodisapplicabletothedeterminationofmassesofapproximately1μgto200μgofleadpersample,withoutdilution[1].Theelectrothermalatomicabsorptionmethodisapplicabletothedeterminationofmassesofapproximately0,01μgto0,5μgofleadpersample,withoutdilution[1].5Theultrasonicextractionprocedurehasbeenvalidatedforthedeterminationofmassesofapproximately20μgto100μgofleadpersample,forlaboratory-generatedleadfumeairfiltersamples[2].6Theconcentrationrangeforleadinairforwhichthisprocedureisapplicableisdeterminedinpartbythesamplingprocedureselectedbytheuser(see10.1).
【中国标准分类号】:Z15
【国际标准分类号】:13_040_30
【页数】:40P.;A4
【正文语种】:英语


【英文标准名称】:Assessmentofuncertaintyincalibrationanduseofflowmeasurementdevices-Part1:Linearcalibrationrelationships
【原文标准名称】:流量测量设备的校验和使用不确定度的评定第1部分:线性校验关系
【标准号】:ISO/TR7066-1-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-02
【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/TC30
【标准类型】:()
【标准水平】:()
【中文主题词】:测量仪器;校正;液体流动;误差分析;特性曲线;测量不确定度;校准实施;漂移;定义;应用;测量、检验和仪器;流量计;流量率;流量测量
【英文主题词】:Calibration;Calibrationpractice;Characteristiccurves;Definition;Definitions;Drift;Erroranalysis;Flowmeasurement;Flowrates;Flowmeters;Liquidflow;Measurement,testingandinstruments;Measuringincertainity;Measuringinstruments;Use
【摘要】:Describestheprocedurestobeusedinderivingthecalibrationcurveformethodsofmeasuringtheflowrateinclosedconduitsoropenchannels,andforassessingtheuncertaintyassociatedwithsuchcalibrations.ReplacesthefirsteditionpublishedasanInternationalStandard(ISO7066-1).
【中国标准分类号】:L06
【国际标准分类号】:17_120_01
【页数】:28P.;A4
【正文语种】:英语


【英文标准名称】:StandardPerformanceRequirementsforMultipositionalPlasticChairswithAdjustableBacksorRecliningMechanismsforOutdoorUse
【原文标准名称】:户外用带有可调节背或活动靠背结构的多位塑料椅的标准性能要求
【标准号】:ASTMF1858-1998(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F15.33
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:casualfurniture;multipositionalplasticchair;out-doorfurniture;patiofurniture;plasticchair;recliningchair;Casualfurniture;Multipositionalplasticchair;Outdoorfurniture;Patiofurniture;Performance--consumerproducts;Plasticfurniture;R
【摘要】:Testsandcriteriaasoutlineddeterminetheoverallusabilityandstabilityofchairsinanenvironmentsimulatingtheconditionsofuse.Testssimulatetwotypesofsurfaces:Smoothsurfaces,suchaslinoleum,wetpooldecks,etc.Theglasstestingbase(seeFig.5)isusedtosimulatethissurface.Roughsurfaces,suchaswoodendecks,outdoornaturalsurfaces,etc.theplywoodtestingbase(seeFig.6)isusedtosimulatethissurface.Note18212;(A)Poly(methylmethacrylate)sheet,0.25x00B1;0.03-in.(6x00B1;0.1-mm)thickness;(B)ACexteriorgluefirplywoodsheet,0.75x00B1;0.08in.(19x00B1;0.2mm)orgreaterinthickness;(C)polypropylenemicrofoamsheet;0.7x00B1;0.01-lb/ft3(11x00B1;0.2-kg/m3)densityand0.13x00B1;0.01-in.(3x00B1;0.03-mm)thickness;and(D)glass/temperedsheet,0.38x00B1;0.04-in.(10x00B1;0.1-mm)thickness.Note28212;(A),(B),(C),and(D)shallberoughlythesamedimensions,48in.(1219mm)orgreater.FIG.5GlassTestingBaseNote18212;(A)Poly(methoylmethoacrylate)sheet,0.25x00B1;0.03-in.(6x00B1;0.1-mm)thickness;and(B)ACexteriorgluefirplywoodsheet,0.75x00B1;0.08in.(19x00B1;0.2mm)orgreaterinthickness.Note28212;(A)and(B)shallberoughlythesamedimensions,48in.(1219mm)orgreater.FIG.6PlywoodTestingBase1.1Theseperformancerequirementscovernationallyrecognizedperformancerequirementsformultipositionalplasticchairs,withadjustablebacksorrecliningmechanisms,intendedforoutdooruse.1.2Theseperformancerequirementsarenotapplicabletochaiselounges,upholsteredchairs,orothertypesoffurniture.1.3Theseperformancerequirementscovertheperformanceoftheproductregardingaspectsofoutdoorweathering,impact,staticloadforseatandback,andarmtesting.1.4ProductsManufacturedfromRecycledPlastics8212;Productsmaybemanufacturedfromrecycledplasticsaslongastheperformancerequirementsaremet.1.5Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y81
【国际标准分类号】:97_140
【页数】:5P.;A4
【正文语种】:英语