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【英文标准名称】:Copper,lead,zincandnickelconcentrates-Samplingproceduresfordeterminationofmetalandmoisturecontent
【原文标准名称】:硫化铜、铅和锌选矿.金属和湿度含量测定的取样程序
【标准号】:ISO12743-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-06
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC183
【标准类型】:()
【标准水平】:()
【中文主题词】:铜无机化合物;铜矿石;硫酸铜;定义;测定;铅化合物;铅无机化合物;铅矿石;金属含量;金属矿;含水量;抽样方法;硫化物;锌无机化合物;锌矿石;锌硫化物
【英文主题词】:Copperinorganiccompounds;Copperores;Coppersulphates;Definitions;Determination;Leadcompounds;Leadinorganiccompounds;Leadores;Metalcontent;Metalliferousminerals;Moisturecontents;Samplingmethods;Sulphides;Zincinorganiccompounds;Zincores;Zincsulfide
【摘要】:ThisInternationalStandardsetsoutthebasicmethodsforsamplingcopper,lead,zincandnickelconcentratesfrommovingstreamsandstationarylots,includingstopped-beltsampling,toprovidesamplesforchemicalanalysis,physicaltestinganddeterminationofmoisturecontent,inaccordancewiththerelevantInternationalStandards.Wheretheconcentratesaresusceptibletosignificantoxidationordecomposition,itisnecessarytouseacommonsampleformoisturedeterminationandchemicalanalysistoeliminatebias(seeISO10251).Insuchcases,thecommonsamplemustbesufficientlyrepresentative,i.e.unbiasedandsufficientlyprecise,forchemicalanalysisanddeterminationofmoisturecontent.Anylargeagglomerates(>10mm)presentintheprimarysampleshouldbecrushedpriortofurthersampleprocessing.SamplingofconcentratesinslurryformisspecificallyexcludedfromthisInternationalStandard.Stopped-beltsamplingisthereferencemethodforcollectingconcentratesamplesagainstwhichmechanicalandmanual-samplingproceduresmaybecompared.Samplingfrommovingstreamsisthepreferredmethod.Bothfalling-streamandcross-beltsamplersaredescribed.Samplingfromstationarylotsisusedonlywheresamplingfrommovingstreamsisnotpossible.TheproceduresdescribedinthisInternationalStandard,forsamplingfromstationarylots,onlyminimizesomeofthesystematicsamplingerrors.
【中国标准分类号】:D42
【国际标准分类号】:73_060_99
【页数】:77P.;A4
【正文语种】:英语