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【英文标准名称】:Ambientairquality-Standardmethodforthemeasurementoftheconcentrationofozonebyultravioletphotometry
【原文标准名称】:环境空气质量.用紫外线光度测量法测量臭氧浓度的标准方法
【标准号】:BSEN14625-2005
【标准状态】:作废
【国别】:英国
【发布日期】:2005-03-29
【实施或试行日期】:2005-03-29
【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】:紫外线辐射;发射;空气污染;空气净化;规范(验收);空气质量;燃烧设备;环境空气;空气污染控制;干扰;臭氧;臭氧浓度;光度测量法(化学分析);质量浓度;紫外线;基准方法;测量仪器;测量;化学分析和试验;大气;测定;浓缩;测量技术;定义
【英文主题词】:Airpollution;Airpollutioncontrol;Airpurification;Airquality;Ambientair;Atmosphere;Carbonmonoxide;Chemicalanalysisandtesting;Concentration;Definition;Definitions;Determination;Emissions;Firingplants;Infra-red;Infraredabsorption;Interferences;Massconcentration;Measurement;Measuringinstruments;Measuringtechniques;Ozone;Ozoneconcentration;Photometry;Photometry(chemicalanalysis);Referencemethods;Ruralareas;Specification(approval);Testing;Ultraviolet;Ultravioletradiation
【摘要】:Thisdocumentspecifiesacontinuousmeasurementmethodforthedeterminationoftheconcentrationofozonepresentinambientairbasedontheultravioletphotometricmeasuringprinciple.Thisdocumentdescribestheperformancecharacteristics,andsetstherelevantminimumcriteriarequiredtoselectanappropriateultravioletphotometricozoneanalyserbymeansoftypeapprovaltests.ItalsoincludestheevaluationofthesuitabilityofananayserforuseinaspecificfixedsitesoastomeettheDirectivesdataqualityrequirementsandrequirementsduringsampling,calibrationandqualityassurance.Themethodisapplicabletothedeterminationofthemassconcentrationofozonepresentinambientairintherangefrom0μg/mto500μg/m.Thisconcentrationrangerepresentsthecertificationrangeforthetypeapprovaltest.NOTE10μg/mto500μg/mofO3correspondsto0nmol/molto250nmol/molofO3.Themethodcoversthedeterminationofambientairconcentrationsofozoneinzonesclassifiedasruralareas,urbanandurban-backgroundareas.NOTE2OtherrangesmaybeusedformeasurementsystemsappliedatrurallocationsmonitoringEcosystems.Theresultsareexpressedinμg/m(at20℃and101,3kPa).WhenthestandardisusedforotherpurposesthantheEU-directive,therangeanduncertaintyrequirementsneednotapply.
【中国标准分类号】:Z15
【国际标准分类号】:13_040_20
【页数】:90P.;A4
【正文语种】:英语


【英文标准名称】:StandardPracticeforAssessmentofHemolyticPropertiesofMaterials
【原文标准名称】:材料溶血性能评估的标准实施规程
【标准号】:ASTMF756-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:F04.16
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:biocompatibility;bloodcompatibility;directcontact;extract;hemoglobin;hemolysistesting;Biocompatibility;Bloodmaterials/applications;Hemolysisassessment;Plasmahemoglobin;Rabbits
【摘要】:Thepresenceofhemolyticmaterialincontactwiththebloodmaycauselossof,ordamageto,redbloodcellsandmayproduceincreasedlevelsoffreeplasmahemoglobincapableofinducingtoxiceffectsorothereffectswhichmaystressthekidneysorotherorgans.Thispracticemaynotbepredictiveofeventsoccurringduringalltypesofimplantapplications.Theuseriscautionedtoconsidertheappropriatenessofthemethodinviewofthematerialsbeingtested,theirpotentialapplications,andtherecommendationscontainedinPracticeF748.1.1Thispracticeprovidesaprotocolfortheassessmentofhemolyticpropertiesofmaterialsusedinthefabricationofmedicaldevicesthatwillcontactblood.1.2Thispracticeisintendedtoevaluatetheacuteinvitrohemolyticpropertiesofmaterialsintendedforuseincontactwithblood.1.3Thispracticeconsistsofaprotocolforahemolysistestunderstaticconditionswitheitheranextractofthematerialordirectcontactofthematerialwithblood.Itisrecommendedthatbothtests(extractanddirectcontact)beperformedunlessthematerialapplicationorcontacttimejustifiestheexclusionofoneofthetests.1.4Thispracticeisoneofseveraldevelopedfortheassessmentofthebiocompatibilityofmaterials.PracticeF748mayprovideguidancefortheselectionofappropriatemethodsfortestingmaterialsforaspecificapplication.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C05
【国际标准分类号】:11_100
【页数】:5P.;A4
【正文语种】:英语