Method and apparatus for preparing a sample for analysis

Details Method and apparatus for preparing a sample for analysis Method and apparatus for preparing a sample for analysis

G - Physics

01

N

G01N 33/20 (2006.01) C22B 9/02 (2006.01) C22B 13/06 (2006.01) F27D 3/14 (2006.01)

Patent

CA 2348522

This invention relates to a method for assaying an ore sample to determine the concentration of gold and PGMs therein. The method comprises the steps of preparing an ore sample, combining the prepared ore sample with a lead-containing flux, inductively heating the combination (typically at a predetermined reference temperature profile) to form a fusion of slag and lead containing the gold and PGM's in the sample and separating the lead from the slag. The invention also covers a new flux for the process, the flux containing sodium hydroxide, a container for mixing the flux and an ore sample and an apparatus for separating molten lead from slag.

L'invention concerne un procédé d'analyse d'un échantillon de minerai afin de déterminer la concentration d'or et de métaux du groupe du platine contenus. Le procédé comprend les étapes consistant à préparer un échantillon de minerai, à combiner l'échantillon de minerai préparé à un flux contenant du plomb, à chauffer par induction la combinaison (typiquement à un profil de températures de référence prédéterminées) pour former une fusion de scorie et de plomb contenant l'or et le métal du groupe du platine dans l'échantillon, puis à séparer le plomb de la scorie. L'invention a également trait à un nouveau flux pour le processus, le flux contenant de l'hydroxyde de sodium, un récipient de mélange du flux et d'un échantillon de minerai ainsi qu'un appareil de séparation du plomb fondu de la scorie.

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