【英文标准名称】:StandardTestMethodsforAnalysisofMetalBearingOresandRelatedMaterialsforCarbon,Sulfur,andAcid-BaseCharacteristics
【原文标准名称】:分析含金属矿石和有关材料中碳、硫和酸碱特性的标准试验方法
【标准号】:ASTME1915-2009
【标准状态】:现行
【国别】:美国
【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】:E01.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:acidneutralizationpotential;carbonatecarboncontent;carboncontent;netcalciumcarbonatecontent;ores;organiccarboncontent;relatedmaterials;sulfatesulfurcontent;sulfidesulfurcontent;sulfurcontent;tailings;leachresidue;wasterock;C
【摘要】:Thesetestmethodsareprimarilyintendedtotestmaterialsforcompliancewithcompositionalspecificationsandformonitoring.Thedeterminationofcarbonandsulfurandacidneutralizationpotentialinoresandrelatedmaterialsisnecessarytoclassifyoresformetallurgicalprocessingandtoclassifywastematerialsfromtheminingandprocessingoforessuchasleachresidues,wasterock,andtailingsaccordingtotheirpotentialtogenerateacidintheenvironment.Thisinformationisusefulduringminedevelopmenttoassistinminingandmineralprocessingoperationsandforproperdisposalofwastematerials.Thesetestmethodsarealsousedtospeciatecarbonandsulfurcontentsofmetal-bearingoresandrelatedmaterialssothatacid-baseaccountingcanbeperformed(thatis,carbonatemineralacidneutralizationpotential(ANP)minussulfide-sulfurmineralacidgenerationpotential(AGP)=netcalciumcarbonate(NCC)).Additionally,thetestmethodhasutilitytoidentifytheamountoforganiccarboncontainedingoldoressothatpotentialforpregrobbingcanbeidentifiedandrectifiedthroughestablishedpretreatmentmethodspriortocyanidation.(Warning8212;Pyrolysispretreatmentat550x00B0;Chasapotentialtothermallydecomposesomecarbonateminerals:(1)transitionmetalcarbonates(forexample,siderite,FeCO3,andrhodochrosite,MnCO3)decompose,yieldingcarbondioxide,CO2,intherangeof220x00B0;Cto520x00B0;C;(2)calcitedecomposesslightlybetween300x00B0;Cand500x00B0;C,althoughmostdecompositionoccursabove550x00B0;C;(3)dolomitedecomposesat800x00B0;Cto900x00B0;C(Hammack,1994,p.440).)Thesetestmethodsalsomaybeusedfortheclassificationofrocktobeusedinconstruction,wherethepotentialtogenerateacidunderenvironmentalconditionsexists.Itisassumedthattheusersofthesetestmethodswillbetrainedanalystscapableofperformingcommonlaboratoryproceduresskillfullyandsafely.Itisexpectedthatworkwillbeperformedinaproperlyequippedlaboratoryandthatproperwastedisposalprocedureswillbefollowed.AppropriatequalitycontrolpracticessuchasthosedescribedinGuideE882mustbefollowed.1.1Thesetestmethodscoverthedeterminationoftotalcarbonandsulfurandacid-basecharacteristicsinmetalbearingoresandrelatedmaterialssuchasleachresidues,tailings,andwasterockwithinthefollowingranges:1.2Thequantitativerangesforthepartialdecompositiontestmethodsaredependentonthemineralogyofthesamplesbeingtested.TheuserofthesetestmethodsisadvisedtoconductaninterlaboratorystudyinaccordancewithPracticeE1601onthetestmethodsselectedforuseataparticularminingsite,inordertoestablishthequantitativerangesforthesetestmethodsonasite-specificbasis.
【中国标准分类号】:D04
【国际标准分类号】:71_040_50
【页数】:21P.;A4
【正文语种】:英语