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A Method of Interpreting Geochemical Results Obtained by a Six-Step Semiquantitative Spectrographic Procedure

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The consistently increasing need of obtaining information and data about the trace element content in geological material as applied to exploration as well as the investigation of the weathering process of ores demands the utilization of the semiquantitative spectrographic procedures. These procedures provide such data both rapidly and at a relatively low cost. The laboratories of the Companhia de Pesquisa de Recursos Minerais (C.P.R.M.), Brazil, use methods of semiquantitative spectrographic analysis to obtain this kind of information. The work is based upon the previous studies described by Oda and others and Grimes and Marranzino.

Keywords: Emission spectroscopy; Ore analysis; Trace element analysis

Document Type: Short Communication


Affiliations: Companhia de Pesquisa de Recursos Minerais, Rio de Janeiro, 20000, Brazil

Publication date: May 1, 1975

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