Behavior of monomineral fractions of apatite and sphene and their aggregates in treatment with dilute solutions of hydrochloric and sulfuric acids was studied by electron microscopy, IR spectroscopy, crystal-optical methods, and X-ray and chemical analyses. The manner in which aggregates of apatite and sphene disintegrate was for the first time visualized by electron scanning microscopy. The efficiency of purification of the apatite concentrate to remove apatite with hydrochloric and sulfuric acid solutions was examined.
Russian Journal of Applied Chemistry – Springer Journals
Published: Dec 6, 2008
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