ASTM D720-1991(2010) 煤自由膨胀指数的标准试验方法

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【英文标准名称】:StandardTestMethodforFree-SwellingIndexofCoal
【原文标准名称】:煤自由膨胀指数的标准试验方法
【标准号】:ASTMD720-1991(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:1991
【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】:D05.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:coal;free-swellingindex;Heatingtests--coal/coke;Calibration--coalanalysisinstrumentation;Coalproducts;Cokebuttondetermination;Free-swellingindex
【摘要】:Thistestmethod,inadditiontoindicatingthecakingpropertiesofacoalwhenburnedasafuel,canbeusedtogiveabroadindicationofthedegreeofoxidationofacoal.1.1Thistestmethodisasmall-scaletestforobtaininginformationregardingthefree-swellingpropertiesofacoal.Theresultsmaybeusedasanindicationofthecakingcharacteristicofthecoalwhenburnedasafuel.Thistestisnotrecommendedasamethodforthedeterminationofexpansionofcoalsincokeovens.1.2Warning8212;Breathingofasbestosdustishazardous.Asbestosandasbestosproductspresentdemonstratedhealthrisksforusersandforthosewithwhomtheycomeintocontact.Inadditiontootherprecautions,whenworkingwithasbestos-cementproducts,minimizethedustthatresults.Forinformationonthesafeuseofchrysoltileasbestos,referto,SafeUseofChrysotileAsbestos:AManualonPreventiveandControlMeasures.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:D21
【国际标准分类号】:73_040
【页数】:5P.;A4
【正文语种】:英语