Search results
Jump to navigation
Jump to search
- ...of calcium triphosphate. If any [[fluorine]] is present, it is considered fluorapatite.243 bytes (34 words) - 20:00, 23 June 2023
- * Fluorine occurs in the minerals [[fluorite]] and [[fluorapatite]]. * Fluorine minerals [[sodium aluminum hexafluoride]], [[fluorapatite]] and [[fluorite]].4 KB (474 words) - 16:07, 13 July 2020
- Combine and heat [[sulfuric acid]] with [[fluorite]] or [[fluorapatite]], producing hydrofluoric acid.2 KB (228 words) - 19:45, 23 June 2023
- :: [[Fluorapatite]]: {{#Chem: Ca5(PO4)3F + 5H2SO4 = 5CaSO4 + 3H3PO4 + HF }}; {{#Chem: HF + S3 KB (461 words) - 13:17, 26 June 2019
- Thus if fluorapatite is used, '''hydrofluoric acid''' will be produced in recoverable amounts.3 KB (484 words) - 16:29, 18 October 2023
- # Optionally, if fluorapatite is present treat the {{#Chem: CaX2}} fraction with sulfuric acid, producing6 KB (891 words) - 22:43, 10 May 2023