Abstract
Barium fluorophlogopites were synthesized in the laboratory to investigate the effects of composition and crystal parameters on surface properties and floatability. The negative surface charge of mica is determined by the barium content, the crystal cell volume, the distance between the layer structure and the Ba-O bond length. The higher the barium content, the larger the cell volume and distance between the layer structure, and the longer the Ba-O bond, the more negatively charged the surface is, and, hence, the more easily adsorbed are cationic collectors. When an anionic collector (sodium oleate) is used, barium oleate forms on the mica surface and hence chemical adsorption occurs.
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SME preprint 93-9, SME Annual Meeting, Feb. 15–18, 1993, Reno, NV. M&MP paper 93-630.
Discussion of this peer-reviewed and approved paper is invited and must be submitted, in duplicate, prior to May 31, 1994.
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Zheng, X.P., Lin, H.K. Effect of mineralogical properties of synthetic mica on its floatability. Mining, Metallurgy & Exploration 11, 20–25 (1994). https://doi.org/10.1007/BF03403035
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DOI: https://doi.org/10.1007/BF03403035