作者:标准资料网 时间:2024-05-13 04:05:37   浏览:8418   来源:标准资料网

【英文标准名称】:StandardTestMethodforDeterminingChlorideinAromaticHydrocarbonsandRelatedChemicalsbyMicrocoulometry
【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氯的标准试验方法
【标准号】:ASTMD5808-2009a
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:
【英文主题词】:density;electrolysis;electrolyte;microcoulometry;potential;pyrolysis;recoveryfactor;relativedensity;titration;totalchloride;volatilization;Aromatichydrocarbons(AHs);Chlorideanalysis--paints/relatedcoatings/materials;Coulometry--microco
【摘要】:Organicaswellasinorganicchlorinecompoundscanproveharmfultoequipmentandreactionsinprocessesinvolvinghydrocarbons.Maximumchloridelevelsareoftenspecifiedforprocessstreamsandforhydrocarbonproducts.Organicchloridespeciesarepotentiallydamagingtorefineryprocesses.Hydrochloricacidcanbeproducedinhydrotreatingorreformingreactorsandthisacidaccumulatesincondensingregionsoftherefinery.1.1Thistestmethodcoverstheorganicchloridesinaromatichydrocarbons,theirderivatives,andrelatedchemicals.1.2Thistestmethodisapplicabletosampleswithchlorideconcentrationsfrom1to25mg/kg.1.3ThistestmethodispreferredoverTestMethodD5194forproducts,suchasstyrene,thatarepolymerizedbythesodiumbiphenylreagent.1.4Indeterminingtheconformanceofthetestresultsusingthismethodtoapplicablespecifications,resultsshallberoundedoffinaccordancewiththerounding-offmethodofPracticeE29.1.5Organicchloridevaluesofsamplescontaininginorganicchlorideswillbebiasedhighduetopartialrecoveryofinorganicspeciesduringcombustion.Interferencefrominorganicspeciescanbereducedbywaterwashingthesamplebeforeanalysis.Thisdoesnotapplytowatersolublesamples.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,see7.3andSection9.
【中国标准分类号】:G17
【国际标准分类号】:
【页数】:5P.;A4
【正文语种】:英语