【英文标准名称】:StandardTestMethodsforProximateAnalysisofCoalandCokebyMacroThermogravimetricAnalysis
【原文标准名称】:运用总体热重分析法对煤和焦炭的进行相似分析的标准测试方法
【标准号】:ASTMD7582-2009
【标准状态】:现行
【国别】:
【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】:D05.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:ash;macrothermogravimetricanalysis,macro-TGA;moisture;proximateanalysis;volatilematter
【摘要】:Moisture,asdeterminedbythisinstrumentaltestmethod,isusedforcalculatingotheranalyticalresultstoadrybasisusingproceduresinPracticeD3180.Moisturecanbeusedinconjunctionwiththeair-drymoisturelossdeterminedbyTestMethodD3302todeterminetotalmoistureincoal.Totalmoistureisusedforcalculatingotheranalyticalresultstoanas-receivedbasisusingPracticeD3180.Ashyieldistheresidueremainingafterheatingthecoalandcokesamples(seeNote1).Note18212;Theashobtaineddiffersincompositionandamountfromthemineralconstituentspresentintheoriginalcoal.Combustioncausesanexpulsionofallwater,thelossofcarbondioxidefromcarbonates,theconversionofironpyriteintoironoxidesandsulfuroxides,andotherchemicalreactions.Ashyield,asdeterminedbythistestmethod,candifferfromtheamountofashproducedinfurnaceoperationsorothercombustionsystemsbecausecombustionconditionsinfluencethechemistryandamountofash.Ashyieldisused,(1)asaparameterforevaluatingsamplingproceduresandcoalcleaningprocesses,(2)intheultimateanalysiscalculationofoxygenbydifferenceusingPracticeD3176,(3)incalculationsincludingmaterialbalance,reactivityandyieldsofproductsrelevanttocoalconversionprocessessuchasgasificationandliquefaction,(4)incalculationstoestimatetheloadingonelectrostaticprecipitatorsandontheflyashandbottomashdisposalsystemsaswellaserosionratesonboilersystems.Volatilematteryield,whendeterminedashereindescribed,maybeusedto(1)indicatecokeyieldoncarbonization,(2)providethebasisforpurchasingandselling,or(3)establishcombustioncharacteristics.Fixedcarbonisacalculatedvalue.Itisthedifferencebetween100andthesumofthepercentmoisture,ash,andvolatilematter.Allpercentsshallbeonthesamemoisturereferencebase.Moisture,ash,andvolatilematterarethreeoftheprincipalparametersusedforassessingthequalityofcoal.1.1Theseinstrumentaltestmethodscoverthedeterminationofmoisture,volatilematter,andash,andthecalculationoffixedcarbonintheanalysisofcoalandcokesamplespreparedinaccordancewithPracticeD2013andPracticeD346.1.2Theseinstrumentaltestmethodsarenotapplicabletothermogravimetricanalyzersusingmicrogramsizesamples.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:73_040
【页数】:9P.;A4
【正文语种】:
基本信息
标准名称: | 镁粉和铝镁合金粉化学分析方法 1,10-二氮杂菲光度法测定铁量 |
英文名称: | Methods for chemical analysis of magnesium powders and aluminum-magnesium alloy powders;The 1,10-phenanthroline photometric method for the determination of iron content |
中标分类: |
冶金 >>
金属化学分析方法 >>
轻金属及其合金分析方法 |
ICS分类: |
冶金 >>
有色金属 >>
镁和镁合金
|
替代情况: | 被GB/T 13748.9-2005代替 |
发布日期: | 1984-04-30 |
实施日期: | 1985-04-01 |
首发日期: | 1984-04-30 |
作废日期: | 2006-01-01 |
归口单位: | 中国有色金属工业协会 |
起草单位: | 东北轻合金加工厂 |
出版日期: | 1900-01-01 |
页数: | 0 |
适用范围
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前言
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引用标准
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所属分类: 冶金 金属化学分析方法 轻金属及其合金分析方法 冶金 有色金属 镁和镁合金