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【英文标准名称】:StandardTestMethodsforNitrogenintheAnalysisSampleofRefuse-DerivedFuel
【原文标准名称】:回收废燃料的分析样品中氮的标准试验方法
【标准号】:ASTME778-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D34.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Kjeldahlmethod;Nitrogencontent;Refuse-derivedfuel(RDF)
【摘要】:ThestandardsampleisavailabletoproducersandusersofRDFasamethodfordeterminingtheweightpercentofnitrogenintheanalysissample.Nitrogenispartoftheultimateanalysisandcanbeusedforcalculationofcombustionparameters.A=electricheaterB=KjeldahldigestionflaskC=KjeldahlconnectingbulbD=condenserE=connectingtubeF=receivingflaskFIG.1KjeldahlDistillationApparatus1.1ThesetestmethodscoverthedeterminationoftotalKjeldahlnitrogeninpreparedanalysissamplesofsolidformsofrefuse-derivedfuel(RDF).Theproceduresmeasurefreeammoniaorammoniaformedfromtheconversionoforganicnitrogenouscompoundssuchasaminoacidsandproteins.However,theproceduresmaynotconvertthenitrogenouscompoundsofsomewastestoammonia.Examplesofsuchcompoundsthatmaynotbemeasuredarenitrocompounds,hydrozones,oxines,nitrates,semicarbazones,pyridines,andsomerefractorytertiaryamines.1.2Twoalternativesaredescribedforthefinaldeterminationoftheammonia,theKjeldahl-GunningTestMethodandtheAcid-TitrationTestMethod.1.3Theanalyticaldatafromthesetestmethodsaretobereportedaspartoftheultimateanalysiswhereultimateanalysisisrequested.1.4Thesetestmethodsmaybeapplicabletoanywastematerialfromwhichalaboratoryanalysissamplecanbeprepared.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionarystatementssee8.4.1andSection9.
【中国标准分类号】:D20
【国际标准分类号】:75_160_10
【页数】:5P.;A4
【正文语种】:英语