【英文标准名称】:StandardTestMethodforMeasurementofTotalHydrogenSulfideinResidualFuelsbyMultipleHeadspaceExtractionandSulfurSpecificDetection
【原文标准名称】:通过复式顶端空间萃取和硫比率测定的残留燃料总硫化氢测量的标准试验方法
【标准号】:ASTMD6021-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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.E0.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:检测;萃取;燃料;硫化氢;测量;测量技术;多倍;残留物;硫化物;硫;试验;总计
【英文主题词】:hydrogensulfide;residualfuels;multipleheadspaceextraction
【摘要】:Excessivelevelsofhydrogensulfideinthevaporphaseaboveresidualfueloilsinstoragetanksmayresultinhealthhazard,OSHAlimitsviolation,andpubliccomplaint.AnadditionalconcerniscorrosionthatcanbecausedbythepresenceofH2Sduringrefiningandotherproductionactivities.ControlmeasurestomaintainsafelevelsofH2SrequireaconsistentmethodfortheassessmentofpotentiallyhazardouslevelsofH2Sinfueloils.(Warning8212;H2Sisahighlytoxicsubstance.ExtremecaremustbeusedinthesamplingandhandlingofsamplesthataresuspectedofcontaininghighlevelsofH2S.)Aconcentrationof0.1x03BC;g/g(ppmw)ofH2SintheliquidphaseofaNo.4,5,or6residualfueloilcangenerateanactualgasconcentrationof10to100x03BC;L/L(ppmv)ofH2Sinthevaporphase;thereforeanaccurateanalyticalmethodisrequiredtodeterminethetotalH2Sconcentrationoftheseresidualfueloils.Thistestmethodwasdevelopedsorefiners,fuelterminaloperators,andindependenttestinglaboratorypersonnelcananalyticallymeasuretheamountofH2Sinresidualfueloils.TestMethodD5705providesasimpleandconsistentfieldtestmethodfortherapiddeterminationofH2Sintheresidualfueloilsstoragetankvaporphase.However,itdoesnotnecessarilysimulatethevaporphaseH2SconcentrationofafuelstoragetanknordoesitprovideanyindicationoftheliquidphaseH2Sconcentration.ThistestmethodprovidesaquantitativemeasureofaresidualfueloilsliquidphaseH2Sconcentration.ItrequiresalaboratoryandaskilledoperatortoperformthetestbutgivesamorequantitativeindicationofpotentialH2SexposurethanTestMethodD5705.Note18212;Becauseofthereactivity,absorptivity,andvolatilityofH2SanymeasurementmethodonlyprovidesanH2Sconcentrationatagivenmomentintime.1.1Thistestmethodcoversamethodsuitableformeasuringthetotalamountofhydrogensulfide(H2S)inheavydistillates,heavydistillate/residualfuelblends,orresidualfuelsasdefinedinSpecificationD396Grade4,5(Light),5(Heavy),and6,whentheH2Sconcentrationinthefuelisinthe0.01to100g/g(ppmw)range.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,see5.1,7.5,8.2,9.2,10.1.4,and11.1.
【中国标准分类号】:E31
【国际标准分类号】:27_060_10
【页数】:6P.;A4
【正文语种】: