标准资料网-标准资料免费资源平台

【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


【英文标准名称】:Alarmsystems-Intrusionandhold-upsystems-Part2-6:openingcontacts(magnetic).
【原文标准名称】:报警系统.侵入好惹拦截系统.第2-6部分:开放式(磁性)触点
【标准号】:NFC48-331-2-6-2008
【标准状态】:现行
【国别】:法国
【发布日期】:2008-12-01
【实施或试行日期】:2008-12-19
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:报警设备;报警系统;防盗警报;触点;定义;设计;探测器;检波器(回路);电力系统;电气工程;电气安全;供能系统(建筑物);特点;侵入探测器;磁性触点;作标记;性能;安全工程;规范(验收);测试
【英文主题词】:Alarmequipment;Alarmsystems;Burglaralarms;Contact;Definition;Definitions;Design;Detector;Detectors(circuits);Electricpowersystems;Electricalengineering;Electricalsafety;Energysupplysystems(buildings);Features;Intrusiondetectors;Magneticcontacts;Marking;Performance;Safetyengineering;Specification(approval);Testing
【摘要】:
【中国标准分类号】:A91
【国际标准分类号】:13_320
【页数】:33P;A4
【正文语种】:其他