Abstract
The actions of sodium sulfite on galena faces have been studied by means of a electron diffraction technique. Interaction of sulfite and xanthate ions with galena depends on a nature of a oxidized state of the cleavage face, pH and a concentration of the reagents. Its primary function on a freshly cleaved face of galena is in a formation of monomolecular film adsorbed on the galenaface. As a substance produced by the action of sodium sulfite onan oxidized face of the galena, lead sulfite is revealed by a electron diffraction technique. Contact angle measurement on the galena face using a captive bubble technique represents that the presence of the sulfite ion in the solution decrease the angle if an oxidized face of the galena is used.
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