【英文标准名称】:Ambientairquality-Standardmethodformeasurementofbenzeneconcentrations-Part4:Diffusivesamplingfollowedbythermaldesorptionandgaschromatography;GermanversionEN14662-4:2005
【原文标准名称】:环境空气质量.苯浓度测量的标准方法.第4部分:热解吸和气相色谱法之后的扩散取样
【标准号】:EN14662-4-2005
【标准状态】:现行
【国别】:
【发布日期】:2005-08
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:气相色谱法;测量;污染物;浓缩;危险物质;定义;极限(数学);苯;加热;分析;浓度(化学);空气;苯含量;扩散;危险的可裂变物质;大气污染物;加工材料;保健;分离;解吸;空气净化;空气质量;基准方法;抽样方法
【英文主题词】:Air;Airpurification;Airquality;Analysis;Atmosphericpollutants;Benzene;Benzenecontent;Carcinogens;Concentration(chemical);Dangerousmaterials;Dangerousstuffs;Definition;Definitions;Desorption;Diffusion;Enrichment;Gaschromatography;Healthprotection;Heatup;Limits(mathematics);Measurement;Pollutants;Referencemethods;Samplingmethods;Separation;Workingmaterials
【摘要】:
【中国标准分类号】:Z15
【国际标准分类号】:13_040_20
【页数】:35P.;A4
【正文语种】:英语


【英文标准名称】:TestMethodsforDeterminationofOrganicChlorideContentinCrudeOil
【原文标准名称】:测定原油中有机氯化物含量的试验方法
【标准号】:ANSI/ASTMD4929-2007
【标准状态】:作废
【国别】:美国
【发布日期】:2007
【实施或试行日期】:2007-11-27
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:氯化物含量;氯化物;原油;测定;油;有机的;测试
【英文主题词】:Chloridecontent;Chlorides;Crudeoils;Determination;Oils;Organic;Testing
【摘要】:Thesetestmethodscoverthedeterminationoforganicchloride(above1?g/gorganically-boundchlorine)incrudeoils,usingeitherdistillationandsodiumbiphenylreductionordistillationandmicrocoulometry.Thesetestmethodsinvolvethedistillationofcrudeoiltestspecimenstoobtainanaphthafractionpriortochloridedetermination.Thechloridecontentofthenaphthafractionofthewholecrudeoilcantherebybeobtained.SeeSection5regardingpotentialinterferences.TestMethodAcoversthedeterminationoforganicchlorideinthewashednaphthafractionofcrudeoilbysodiumbiphenylreductionfollowedbypotentiometrictitration.TestMethodBcoversthedeterminationoforganicchlorideinthewashednaphthafractionofcrudeoilbyoxidativecombustionfollowedbymicrocoulometrictitration.ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.Thepreferredconcentrationunitsaremicrogramsofchloridepergramofsample.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:75_040
【页数】:
【正文语种】:英语