BS EN ISO 20884-2011 石油产品.汽车燃料硫含量的测定.波长色散X射线荧光光谱仪

作者:标准资料网 时间:2024-05-14 08:13:07   浏览:9000   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Petroleumproducts.Determinationofsulfurcontentofautomotivefuels.Wavelength-dispersiveX-rayfluorescencespectrometry
【原文标准名称】:石油产品.汽车燃料硫含量的测定.波长色散X射线荧光光谱仪
【标准号】:BSENISO20884-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-05-31
【实施或试行日期】:2011-05-31
【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】:
【英文主题词】:Analysis;Automobiles;Automotivefuels;Chemicalanalysisandtesting;Content;Determinationofcontent;Diesel;Dieselfuels;Fluorimetry;Gasoline;Materialstesting;Methodsofanalysis;Mineraloils;Motorvehicles;Petroleumproducts;Roadvehicles;Sulphur;Sulphurcontent;Testing;Wavelengthdispersive;X-rayfluorescencespectrometry
【摘要】:WARNING—TheuseofthisInternationalStandardmayinvolvehazardousmaterials,operationsandequipment.ThisInternationalStandarddoesnotpurporttoaddressallofthesafetyproblemsassociatedwithitsuse.ItistheresponsibilityoftheuserofthisInternationalStandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.ThisInternationalStandardspecifiesawavelength-dispersiveX-rayfluorescence(WDXRF)testmethodforthedeterminationofthesulfurcontentofliquid,homogeneousautomotivefuelsfrom5mg/kgto500mg/kg,whichhaveamaximumoxygencontentof3,7%(m/m).Thisproductrangecoversdieselfuelscontaininguptoabout10%(V/V)fattyacidmethylesters(FAME)andmotorgasolinescontaininguptoabout10%(V/V)ethanol.NOTE1Sulfurcontentshigherthan500mg/kgcanbedeterminedaftersampledilution.However,theprecisionwasnotestablishedfordilutedsamples.Productswithhigheroxygencontentshowsignificantmatrixeffects,e.g.FAMEusedasbiodiesel.Nevertheless,FAMEmaybeanalysedwhenthecorrespondingproceduresarefollowed(see4.3and7.1).Otherproductsmaybeanalysedwiththistestmethod.However,precisiondataforproductsotherthanthosementionedhavenotbeenestablishedforthisInternationalStandard.NOTE2ForthepurposesofthisInternationalStandard,theterms“%(m/m)”and“%(V/V)”areusedtorepresentthemassfractionandthevolumefractionofamaterialrespectively.
【中国标准分类号】:E31
【国际标准分类号】:75_080;75_160_30
【页数】:18P.;A4
【正文语种】:英语


下载地址: 点击此处下载
Product Code:SAE AS22759/83
Title:Wire, Electrical, Polytetrafluoroethylene/Polyimide Insulated, Normal Weight, Silver Coated, Copper Conductor, 200 °C, 600-Volt
Issuing Committee:Ae8-D Wire And Cable Committee
Scope:Scope unavailable.【英文标准名称】:Rubber,vulcanizedorthermoplastic-Acceleratedageingandheatresistancetests.
【原文标准名称】:硫化或热塑性橡胶.加速老化和耐热性试验
【标准号】:NFT46-004-2007
【标准状态】:作废
【国别】:法国
【发布日期】:2007-12-01
【实施或试行日期】:2007-12-01
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:加速的;老化;老化试验;弹性体;热阻;高温测试;耐力;橡胶;试件;测试;测试条件;热塑性的;硫化橡胶
【英文主题词】:Accelerated;Ageing(materials);Ageingtests;Elastomers;Heatresistance;High-temperaturetesting;Resistance;Rubber;Testpieces;Testing;Testingconditions;Thermoplastic;Vulcanizedrubber
【摘要】:
【中国标准分类号】:G34
【国际标准分类号】:83_060
【页数】:23P.;A4
【正文语种】:其他