ASTM E778-1987(2004) 回收废燃料的分析样品中氮的标准测试方法

作者:标准资料网 时间:2024-05-27 06:16:38  浏览:8561   来源:标准资料网

【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测试方法
【标准号】:ASTME778-1987(2004)
【标准状态】:现行
【国别】:
【发布日期】:1987
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D34.03.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试样;燃料;氮;危险物质;分析;试验;污染控制
【英文主题词】:kjeldahlmethod;nitrogencontent;resourcerecovery-solidwasterefuse-derivedfuel/RDF;nitrogeninanalysissampleofrefuse-derivedfuel,test;
【摘要】:ThestandardsampleisavailabletoproducersandusersofRDFasamethodfordeterminingtheweightpercentofnitrogenintheanalysissample.Nitrogenispartoftheultimateanalysisandcanbeusedforcalculationofcombustionparameters.A=electricheaterB=KjeldahldigestionflaskC=KjeldahlconnectingbulbD=condenserE=connectingtubeF=receivingflaskFIG.1KjeldahlDistillationApparatus1.1ThesetestmethodscoverthedeterminationoftotalKjeldahlnitrogenin(preparedanalysis)samplesof(solidforms)ofrefuse-derivedfuel(RDF).Theproceduresmeasurefreeammoniaorammoniaformedfromtheconversionoforganicnitrogenouscompoundssuchasaminoacidsandproteins.However,theproceduresmaynotconvertthenitrogenouscompoundsofsomewastestoammonia.Examplesofsuchcompoundsthatmaynotbemeasuredarenitrocompounds,hydrozones,oxines,nitrates,semicarbazones,pyridines,andsomerefractorytertiaryamines.1.2Twoalternativesaredescribedforthefinaldeterminationoftheammonia,theKjeldahl-GunningTestMethodandtheAcid-TitrationTestMethod.1.3Theanalyticaldatafromthesetestmethodsaretobereportedaspartoftheultimateanalysiswhereultimateanalysisisrequested.1.4Thesetestmethodsmaybeapplicabletoanywastematerialfromwhichalaboratoryanalysissamplecanbeprepared.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionarystatementssee8.4.1and9Section.
【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】: