Compounds of calcium, strontium, or barium

CCHEMISTRY METALLURGY C01Inorganic chemistry C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS

C01F11/00Compounds of calcium, strontium, or barium

C01F11/005Preparation involving liquid-liquid extraction, absorption or ion-exchange C01F11/02Oxides or hydroxides C01F11/04by thermal decomposition C01F11/06of carbonates C01F11/08by reduction of sulfates C01F11/10from sulfides C01F11/12from silicates C01F11/16Purification C01F11/18Carbonates C01F11/181Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by control of the carbonation conditions C01F11/182Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by an additive other than CaCO3-seeds C01F11/183the additive being an organic compound C01F11/184Preparation of calcium carbonate by carbonation of solutions based on non-aqueous solvents C01F11/185After-treatment C01F11/186Strontium or barium carbonate C01F11/187Strontium carbonate C01F11/188Barium carbonate C01F11/20Halides C01F11/22Fluorides C01F11/24Chlorides C01F11/26from sulfides C01F11/28by chlorination of alkaline-earth metal compounds C01F11/30Concentrating Dehydrating Preventing the adsorption of moisture or caking C01F11/32Purification C01F11/34Bromides C01F11/36Nitrates C01F11/38Preparation with nitric acid or nitrogen oxides C01F11/40Preparation by double decomposition with nitrates C01F11/42Double salts C01F11/44Concentrating Crystallisating Dehydrating Preventing the absorption of moisture or caking C01F11/46Sulfates C01F11/462Sulfates of Sr or Ba C01F11/464Sulfates of Ca from gases containing sulfur oxides C01F11/466Conversion of one form of calcium sulfate to another C01F11/468Purification of calcium sulfates C01F11/48Sulfites