【英文标准名称】:StandardTestMethodsforDeterminationofNickel,Vanadium,andIroninCrudeOilsandResidualFuelsbyInductivelyCoupledPlasma(ICP)AtomicEmissionSpectrometry
【原文标准名称】:感应耦合等离子体(ICP)原子发射光谱法测定原油和残留燃油中的镍、钒和铁的标准试验方法
【标准号】:ASTMD5708-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:D02.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:AES;原子发射光谱法;原油;ICP;铁含量;镍含量;石油产品;试验;钒含量
【英文主题词】:emissionspectrometry;ICP;inductivelycoupledplasmaatomicemissionspectrometry;iron;nickel;vanadium
【摘要】:Thesetestmethodscover,insingleprocedures,thedeterminationofNi,V,andFeincrudeoilsandresidualoils.ThesetestmethodscomplementTestMethodD1548,whichcoversonlythedeterminationofvanadium.Whenfuelsarecombusted,vanadiumpresentinthefuelcanformcorrosivecompounds.Thevalueofcrudeoilscanbedetermined,inpart,bytheconcentrationsofnickel,vanadium,andiron.Nickelandvanadium,presentattracelevelsinpetroleumfractions,candeactivatecatalystsduringprocessing.Thesetestmethodsprovideameansofdeterminingtheconcentrationsofnickel,vanadium,andiron.1.1Thesetestmethodscoverthedeterminationofnickel,vanadium,andironincrudeoilsandresidualfuelsbyinductivelycoupledplasma(ICP)atomicemissionspectrometry.Twodifferenttestmethodsarepresented.1.2TestMethodA(Sectionsand)ICPisusedtoanalyzeasampledissolvedinanorganicsolvent.Thistestmethodusesoil-solublemetalsforcalibrationanddoesnotpurporttoquantitativelydetermineordetectinsolubleparticulates.1.3TestMethodB(Sections)ICPisusedtoanalyzeasamplethatisdecomposedwithacid.1.4Theconcentrationrangescoveredbythesetestmethodsaredeterminedbythesensitivityoftheinstruments,theamountofsampletakenforanalysis,andthedilutionvolume.Aspecificstatementisgivenin.Typically,thelowconcentrationlimitsareafewtenthsofamg/kg.PrecisiondataareprovidedfortheconcentrationrangesspecifiedinSection.1.5si-value;Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E21
【国际标准分类号】:75_040;75_160_20
【页数】:8P.;A4
【正文语种】:


【英文标准名称】:Electricalapparatusforpotentiallyexplosiveatmospheresformining;screwplugs;safetyrequirementsandtesting
【原文标准名称】:矿山预防潜在的爆炸环境用的电气设备；螺旋接头.安全性要求和试验
【标准号】:DIN22418-1989
【标准状态】:现行
【国别】:德国
【发布日期】:1989-04
【实施或试行日期】:1989-04-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:e型防护电气设备;攻螺纹;闭塞物;螺纹;电驱动装置;尺寸;安全工程;规范(审批);设计;材料;采掘
【英文主题词】:Closures;Design;Dimensions;Electrically-operateddevices;Materials;Mining;Safetyengineering;Specification(approval);Tapping;Threads;Typeeprotectedelectricalequipment
【摘要】:Screwplugsareusedforlockingofnotutilizedthreadboringsinapparatusforpotentiallyexplosiveatmospheres.
【中国标准分类号】:K35
【国际标准分类号】:29_260_20
【页数】:6P.;A4
【正文语种】:德语