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• 20:22, 2 December 2024 Admin talk contribs created page Category:Bronzes (Created page with "Bone black (also called bone char) is a granular substance composed primarily of calcium carbonate, calcium phosphate and some charcoal. It is dense, having a specific gravity near π. ==Uses== * It is used as a filtration agent similar to charcoal and activated carbon. Bone black is particularly good at removing fluorides and heavy metals (including copper and zinc). * Feedstock for phosphoric acid ==Production== ===General method=== Calcine c...")