【英文标准名称】:Copper,lead,zincandnickelconcentrates-Samplingofslurries
【原文标准名称】:铜,铅,锌和镍浓缩物.浆料的取样
【标准号】:ISO11794-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-10-01
【实施或试行日期】:2010-10-01
【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】:
【英文主题词】:Concentrates;Copper;Copperores;Lead;Metalliferousminerals;Nickel;Particulatematerials;Quality;Qualityassurance;Sampling;Samplingmethods;Samplingtables;Sludge;Zinc
【摘要】:WARNING—ThisInternationalStandardmayinvolvehazardousmaterials,operationsandequipment.ItistheresponsibilityoftheuserofthisInternationalStandardtoestablishappropriatehealthandsafetypracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.ThisInternationalStandardsetsoutthebasicmethodsforsamplingparticulatematerialthatismixedwithaliquid,usuallywater,toformaslurry.Inindustryandintheminingandmineralprocessingliterature,slurryisalsoreferredtoaspulp,butthistermisnotusedinthisInternationalStandard.Atveryhighratiosoffineparticulatesolidstoliquidswherematerialassumesasoftplasticform,themixtureiscorrectlytermedasapaste.SamplingofpastesisnotcoveredinthisInternationalStandard.TheproceduresdescribedinthisInternationalStandardapplytosamplingofparticulatematerialsthataretransportedinmovingstreamsasslurries,butnotpressurizedslurries.Thesestreamsmayfallfreelyorbeconfinedinpipes,launders,flumes,sluices,spiralsorsimilarchannels.Samplingofslurriesinstationarysituations,suchasasettledorevenawell-stirredslurryinaholdingvesselordam,isnotrecommendedandisnotcoveredinthisInternationalStandard.ThisInternationalStandarddescribesproceduresthataredesignedtoprovidesamplesrepresentativeoftheslurrysolidsandparticle-sizedistributionoftheslurryunderexamination.Afterdrainingtheslurrysampleoffluidandmeasuringthefluidvolume,dampsamplesofthecontainedparticulatematerialintheslurryareavailablefordrying(ifrequired)andmeasurementofoneormorecharacteristicsinanunbiasedmannerandwithaknowndegreeofprecision.Thecharacteristicsaremeasuredbychemicalanalysis,physicaltestingorboth.Thesamplingmethodsdescribedareapplicabletoslurriesthatrequireinspectiontoverifycompliancewithproductspecifications,determinationofthevalueofacharacteristicasabasisforsettlementbetweentradingpartnersorestimationofasetofaveragecharacteristicsandvariancesthatdescribesasystemorprocedure.Providedthatflowratesarenottoohigh,thereferencemethodagainstwhichothersamplingproceduresarecomparedisonewheretheentirestreamisdivertedintoavesselforaspecifiedtimeorvolumeinterval.Thismethodcorrespondstothestopped-beltmethoddescribedinISO12743.
【中国标准分类号】:D42
【国际标准分类号】:73_060_99
【页数】:50P.;A4
【正文语种】:英语