BS ISO 16362-2005 环境空气.高效液体色谱法测定粒子相位多环芳烃

作者:标准资料网 时间:2024-05-28 11:16:31  浏览:9691   来源:标准资料网

【英文标准名称】:Ambientair-Determinationofparticle-phasepolycyclicaromatichydrocarbonsbyhighperformanceliquidchromatography
【原文标准名称】:环境空气.高效液体色谱法测定粒子相位多环芳烃
【标准号】:BSISO16362-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-03-10
【实施或试行日期】:2005-03-10
【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】:空气;含量测定;空气净化;空气污染;PAH;空气质量;多核芳香烃类;试样制备;环境空气;表面吸附;化学分析和试验;芳烃;色谱法;抽样方法;烃类;高效液相色谱分析法;污染物气体;定义;试验
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiessampling,clean-upandanalysisproceduresforthequantitativedeterminationoflowvolatility(particle-bound)polycyclicaromatichydrocarbons(PAHs)inambientair.Forsampling,alow-volumeoramedium/high-volumesamplingdevicemaybeused.Samplingtimesbetween1hand24harepossible.Thesamplingvolumeflowratescanrangefrom1m/hto4m/h("lowvolumesampler")orfrom10m/htoabout90m/h("medium/high-volumesampler").Inanycase,thelinearfacevelocityatthecollectionfiltershouldrangebetweenabout0,5m/sand0,9m/s.Themethodhasbeenvalidatedforsamplingperiodsupto24h.ThedetectionlimitsforsinglePAHsandthestandarddeviationsresultingfromduplicatemeasurementsarelistedin9.2andAnnexDrespectively.ThisInternationalStandarddescribesasamplingandanalysisprocedureforPAHthatinvolvescollectionfromairontoafilterfollowedbyanalysisusinghighperformanceliquidchromatographyusuallywithfluorescencedetector(FLD).Theuseofadiodearraydetector(DAD)ispossible.Thecombinationofbothdetectortypesisalsopossible(seeAnnexB).Totalsuspendedparticulatematterissampled.Generally,compoundshavingaboilingpointabove430℃(vapourpressurelessthan10kPaat25℃,e.g.chrysene,benz[a]anthracene)canbecollectedefficientlyonthefilteratlowambienttemperatures(e.g.below10℃).Incontrast,athighertemperatures(above30℃,seealsoISO12884),onlyPAHshavingboilingpointsabove475℃(vapourpressurelessthan10kPaat25℃)aredeterminedquantitatively(seeAnnexF).
【中国标准分类号】:Z15
【国际标准分类号】:13_040_01
【页数】:36P;A4
【正文语种】:英语