NF M60-766-1999 核能.环境放射性测量.氡222:在惰性采集和差别分析下进行氡在大气环境中的平均容量活性测量的综合法

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【英文标准名称】:StandardTestMethodforEstimatingContributionofEnvironmentalTobaccoSmoketoRespirableSuspendedParticlesBasedonSolanesol
【原文标准名称】:估计环境烟草烟雾对基于茄呢醇的可吸入颗粒物的标准试验方法
【标准号】:ASTMD6271-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D22.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:environmentaltobaccosmoke(ETS);indoorairquality;respirablesuspendedparticles(RSP);solanesol;Solanesol;Environmentaltobaccosmoke(ETS);Indoorairanalysis;Respirablesuspendedparticles(RSP)
【摘要】:Environmentaltobaccosmokeconsistsofbothvaporandparticulatephasecomponents.Duetothenatureofvaporandparticulatephases,theyrarelycorrelatewell,andanaccurateassessmentofETSlevelsinindoorairrequiresdetermininggoodtracersofbothphases.AmongtheattributesofanidealETStracer,onecriticalcharacteristicisthatthetracershouldx201C;remaininafairlyconsistentratiototheindividualcontaminantofinterestorcategoryofcontaminantsofinterest(forexample,suspendedparticulates)underarangeofenvironmentalconditions...x201D;(5).Solanesolmeetsthisrequirement,stayinginaconstantratiototheRSPcontributedbytobaccosmokeoveravarietyofventilationconditionsandsamplingdurations(6).UVPMandFPM,whicharethetracersormarkersemployedbyTestMethodD5955,alsofulfillthisrequirement.Airbornesolanesol,however,isuniqueinthatitisspecifictotobaccosmokeandisfoundonlyintheparticulatephaseofETS.Itshighmolecularweightandlowvolatilitymakeitextremelyunlikelythatanysolanesolwillbelostfromthemembranefilterusedforsamplecollection.Solanesolconstitutesapproximately3%byweightoftheRSPofETS(2,7,8),makingitsuitableformeasurementatrealisticsmokingrates.OftheavailableETSparticulatephasemarkers(UVPM,FPM,andsolanesol),allarecurrentlyusedandreliedupon,butsolanesolisconsideredtobeabettermarkerfortheparticulatephaseofETSand,asaresult,providesthebestwayofquantifyingthecontributionofETSparticulatemattertoRSP(3,4,9,10,11,12,13).TobeabletoquantifythecontributionofETStoRSPwithatobacco-specificmarkerisimportantbecauseRSPisnotspecifictotobaccosmoke.RSPisanecessaryindicatorofoverallairquality;theOccupationalSafetyandHealthAdministration(OSHA)haspreviouslysetaPEL(permissibleexposurelevel)forrespirabledustintheworkplaceof5000x03BC;g/m3.However,RSPemanatesfromnumeroussources(14)andhasbeenshowntobeaninappropriatetracerofETS(7,15,16,17).UVPMandFPMareusedasmoreselectivemarkerstoestimatethecontributionoftobaccosmoketoRSP;however,thesemarkerscanoverestimatethecontributionoftobaccosmoketoRSPduetopotentialinterferencefromnontobaccocombustionsources.(RefertoTestMethodD5955fortheprotocolondeterminingUVPMandFPM.)AlthoughUVPMandFPMareusefulininvestigationsofindoorairquality,solanesolisabetterindicatorofthetobaccosmokecontributiontoRSP.ThistestmethodhasbeenusedtoapportionRSPintoETSandnon-ETScomponentsbydeterminingtheweightratioofsolanesoltototalRSP(2,3,4,7,18,19).1.1Thistestmethodcoversthesampling/analysisofrespirablesuspendedparticles(RSP)andtheestimationoftheRSPfractionattributabletoenvironmentaltobaccosmoke(ETS).ThetestmethodisbasedoncollectionoftotalRSPonamembranefilter,extractionofthefilterinmethanol,anddeterminationofsolanesol,aC45isoprenoidalcohol,byhighperformanceliquidchromatography(HPLC)withultraviolet(UV)detection.1.2ThistestmethodiscompatiblewiththedeterminationsofgravimetricRSP,ultravioletparticulatematter(UVPM),andfluorescentparticulatematter(FPM)(seeTestMethodD5955),butdoesnotrequireth......
【中国标准分类号】:C51
【国际标准分类号】:13_040_20
【页数】:7P.;A4
【正文语种】:英语

标准名称：	食品安全国家标准 食品添加剂 十二酸乙酯（月桂酸乙酯）
中标分类：	食品 >> 食品综合 >> 卫生、安全、劳动保护
发布部门：	中华人民共和国卫生部
发布日期：	2012-04-25
实施日期：	2012-06-25
首发日期：
作废日期：
出版社：	中国标准出版社
出版日期：	2012-06-25
页数：	8页

本标准适用于由十二酸和乙醇为原料制得的食品添加剂十二酸乙酯(月桂酸乙酯)。

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