【英文标准名称】:StandardTestMethodforDeterminingOrganicChlorideinAromaticHydrocarbonsandRelatedChemicalsbyMicrocoulometry
【原文标准名称】:用微库仑分析法测定芳香烃和相关化学药品中有机氯的标准试验方法
【标准号】:ASTMD5808-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D16.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:密度;挥发;热分解;相对密度;电解;微库仑分析法;氯化物;芳烃;有机的;库仑法;试验方法;电解质;滴定法;化合物;电位
【英文主题词】:density;electrolysis;electrolyte;microcoulometry;potential;pyrolysis;recoveryfactor;relativedensity;titration;totalchloride;volatilization
【摘要】:Organicaswellasinorganicchlorinecompoundscanproveharmfultoequipmentandreactionsinprocessesinvolvinghydrocarbons.Maximumchloridelevelsareoftenspecifiedforprocessstreamsandforhydrocarbonproducts.Organicchloridespeciesarepotentiallydamagingtorefineryprocesses.Hydrochloricacidcanbeproducedinhydrotreatingorreformingreactorsandthisacidaccumulatesincondensingregionsoftherefinery.1.1Thistestmethodcoverstheorganicchloridesinaromatichydrocarbons,theirderivatives,andrelatedchemicals.1.2Thistestmethodisapplicabletosampleswithchlorideconcentrationsfrom1to25mg/kg.1.3ThistestmethodispreferredoverTestMethodD5194forproducts,suchasstyrene,thatarepolymerizedbythesodiumbiphenylreagent.1.4Thefollowingappliestoallspecifiedlimitsinthisstandard:forpurposesofdeterminingconformancewiththisstandard,anobservedvalueoracalculatedvalueshallberoundedoff"tothenearestunit"inthelastright-handdigitusedinexpressingthespecificationlimit,inaccordancewiththerounding-offmethodofPracticeE29.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,see7.3andSection9.
【中国标准分类号】:G16
【国际标准分类号】:
【页数】:4P.;A4
【正文语种】: