【英文标准名称】:Ambientairquality-Standardmethodforthemeasurementoftheconcentrationofsulphurdioxidebyultravioletfluorescence
【原文标准名称】:环境空气质量.利用紫外线荧光测量二氧化硫浓度的标准方法
【标准号】:BSEN14212-2005
【标准状态】:作废
【国别】:英国
【发布日期】:2005-03-25
【实施或试行日期】:2005-03-25
【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】:测量精度;污染控制;定义;荧光;试验方法;测量技术;大气;质量;浓缩;试验设备;测量;基准方法;化学分析和试验;空气质量;评定;空气;荧光测定法;空气净化;空气污染;空气污染;规范(验收);紫外线辐射;环境空气;含量测定;抽样方法;二氧化硫;质量浓度;紫外线;侧壁试验器;试验
【英文主题词】:Air;Airpollution;Airpurification;Airquality;Ambientair;Atmosphere;Chemicalanalysisandtesting;Concentration;Definition;Definitions;Determinationofcontent;Evaluations;Fluorescence;Fluorimetry;Massconcentration;Measurement;Measuringaccuracy;Measuringtechniques;Pollutioncontrol;Pollutionoftheair;Quality;Referencemethods;Samplingmethods;Sidetesters;Specification(approval);Sulphurdioxide;Testequipment;Testmethods;Testing;Ultraviolet;Ultravioletradiation
【摘要】:Thisdocumentspecifiesacontinuousmeasurementmethodforthedeterminationoftheconcentrationofsulphurdioxidepresentinambientairbasedontheultravioletfluorescencemeasuringprinciple.Thisdocumentdescribestheperformancecharacteristicsandsetstherelevantminimumcriteriarequiredtoselectanappropriateultravioletfluorescenceanalyserbymeansoftypeapprovaltests.ItalsoincludestheevaluationofthesuitabilityofananalyserforuseinaspecificfixedsitesoastomeettheDirectivesdataqualityrequirementsandrequirementsduringsampling,calibrationandqualityassuranceforuse.Themethodisapplicabletothedeterminationofthemassconcentrationofsulphurdioxidepresentinambientairfrom0μg/mto1000μg/msulphurdioxide.Thisconcentrationrangerepresentsthecertificationrangeforthetypeapprovaltest.NOTE10μg/mto1000μg/mofSO2correspondsto0nmol/molto376nmol/molofSO2.NOTE2LowerrangesmaybeusedformeasurementsystemsappliedatrurallocationsmonitoringEcosystems.Themethodcoversthedeterminationofambientairconcentrationsofsulphurdioxideinzonesclassifiedasruralareas,urban-backgroundareasandtraffic-orientatedlocations.Theresultsareexpressedinμg/m(at293Kand101,3kPa).WhenthestandardisusedforotherpurposesthantheEU-directive,therangeanduncertaintyrequirementsneednotapply.
【中国标准分类号】:Z15
【国际标准分类号】:13_040_20
【页数】:106P;A4
【正文语种】:英语


【英文标准名称】:Methodsoftestfornonwovens.Determinationoftearresistance
【原文标准名称】:无纺织物的试验方法.第4部分:耐扯裂性的测定
【标准号】:BS7304Pt.4-1990
【标准状态】:作废
【国别】:英国
【发布日期】:1990-10-31
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:织物试验;纺织产品;非织造织物;试样制备;试验条件;尺寸;试样;试验设备;抗拉试验;扯裂试验;布;纺织试验
【英文主题词】:non-wovencloth;teartests;textileproducts;fabrictesting;specimenpreparation;testspecimens;cloth;dimensions;testingconditions;textiletesting;testequipment;tensiletesting
【摘要】:
【中国标准分类号】:W04
【国际标准分类号】:
【页数】:8P;A4
【正文语种】:英语