中子活化分析法测定金属矿床中金含量

  • 摘要: 研究了应用252Cf中子源的中子活化分析法测定金含量的度量特性。此方法测定山金矿样中金含量的检测限为(0.1-0.2)×10-6。针对中国金矿藏的勘探开发和储量计算,探讨了进行中子活化分析工作的最佳分析条件。

     

    Abstract: DETERMINATIONOFGOLDCONTENTINOREDEPOSITSBYNAAWangJingfeiXiaoDuyuan(HeilongjiangInstituteofTechnicalPhysics,Haerbin150086)IvanenkoV.KustovV.(InstituteofChemistry,Far-EastofRussianAcademyofSciences,690022)ABSTRACTMetrologicalparametersofthegoldcontentdeterminationbyneutronactivationanalysiswithcalifornium-252neutronsourceareinvestigated.Thedeterminationlimitandsamplesforthegoldoredepositis(0.1-0.2)×10-6.TheoptimumanalysisconditionsusingNAAtechniquesarediscusedherefortheexploration,exploitationandthereservescalculationofgoldoredepoitinChina.Keywordsdeterminationofgoldcontentneutronactivationanalysis(NAA)252Cfneutronsourcemetrologicalcharacteristics

     

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