ASTM C25-2006 石灰石、生石灰和熟石灰化学分析的标准试验方法

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【英文标准名称】:StandardTestMethodsforChemicalAnalysisofLimestone,Quicklime,andHydratedLime
【原文标准名称】:石灰石、生石灰和熟石灰化学分析的标准试验方法
【标准号】:ASTMC25-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:C07.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:化学分析和试验;建筑;施工材料;石灰;石灰岩;生石灰;试验
【英文主题词】:alternativemethod;aluminum;availablelimeindex;calcium;carbon;carbondioxide;chemicalanalysis;freemoisture,lime;freemoisture,limestone;freesilica;hydratedlime;instrumentalanalysis;iron;limestone;lossonignition,(LOI);magnesium;
【摘要】:Thesetestmethodsprovideaccurateandreliableanalyticalprocedurestodeterminethechemicalconstituentsoflimestone,quicklime,andhydratedlime(SeeNote1).Thepercentagesofspecificconstituentswhichdetermineamaterialrsquo;qualityorfitnessforuseareofsignificancedependinguponthepurposeorenduseofthematerial.Resultsobtainedmaybeusedinrelationtospecificationrequirements.Becausequicklimeandhydratedlimequicklyabsorbwaterandcarbondioxidefromtheair,precisionandbiasareextremelydependentuponprecautionstakenduringsamplepreparationandanalysistominimizeexcessiveexposuretoambientconditions.Note18212;Thesetestmethodscanbeappliedtoothercalcareousmaterialsifprovisionsaremadetocompensateforknowninterferences.1.1Thesetestmethodscoverthechemicalanalysisofhigh-calciumanddolomiticlimestone,quicklime,andhydratedlime.Thesetestmethodsareclassifiedaseitherstandard(preferred)oralternative(optional).1.2Thestandardtestmethodsarethosethatemployclassicalgravimetricorvolumetricanalyticalproceduresandaretypicallythoserequiredforrefereeanalyseswherechemicalspecificationrequirementsareanessentialpartofcontractualagreementbetweenbuyerandseller.1.3Alternativeoroptionaltestmethodsareprovidedforthosewhowishtouseproceduresshorterormoreconvenientthanthestandardmethodsfortheroutinedeterminationsofcertainconstituents.Optionaltestmethodsmaysometimesbepreferredtothestandardtestmethods,butfrequentlytheuseofmodernandexpensiveinstrumentationisindicatedwhichmaynotbeaccessibletoeveryone.Therefore,theuseofthesetestmethodsmustbelefttothediscretionofeachlaboratory.1.4Theanalyticalproceduresappearinthefollowingorder:1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionarystatements,see,,,,,and.
【中国标准分类号】:Q27
【国际标准分类号】:91_100_10
【页数】:36P.;A4
【正文语种】: