C | SK | CHEMISTRY; METALLURGY |
C01 | USK | CHEMISTRY |
C01 | KL | INORGANIC CHEMISTRY |
C01D | UKL | COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM (metal hydrides C01B 6/00; salts of oxyacids of halogens C01B 11/00; peroxides, salts of peroxyacids C01B 15/00; sulfides or polysulfides C01B 17/22; thiosulfates, dithionites, polythionates C01B 17/64; compounds containing selenium or tellurium C01B 19/00; binary compounds of nitrogen with metals C01B 21/06; azides C01B 21/08; metal amides C01B 21/092; nitrites C01B 21/50; phosphides C01B 25/08; salts of oxyacids of phosphorus C01B 25/16; carbides C01B 32/90; compounds containing silicon C01B 33/00; compounds containing boron C01B 35/00; cyanides C01C 3/08; salts of cyanic acid C01C 3/14; salts of cyanamide C01C 3/16; thiocyanates C01C 3/20; fermentation or enzyme-using processes for the preparation of elements or inorganic compounds except carbon dioxide C12P 3/00; obtaining metal compounds from mixtures, e.g. ores, which are intermediate compounds in a metallurgical process for obtaining a free metal C22B; production of non-metallic elements or inorganic compounds by electrolysis or electrophoresis C25B) |
C01D 1/00 | HGR | Oxides or hydroxides of sodium, potassium, or alkali metals in general [1, 2, 2006.01] |
C01D 1/02 | UGR1 | |
C01D 1/04 | UGR1 | |
C01D 1/20 | UGR2 | . . | Preparation by reacting oxides or hydroxides with alkali metal salts [1, 2006.01] |
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C01D 1/22 | UGR3 | . . . | with carbonates or bicarbonates [1, 2006.01] |
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C01D 1/24 | UGR3 | . . . | from or via fluorides or silico-fluorides [1, 2006.01] |
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C01D 1/26 | UGR2 | . . | Preparation from or via cyano compounds, e.g. cyanides, cyanamides [1, 2006.01] |
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C01D 1/28 | UGR2 | . . | Purification; Separation [1, 2006.01] |
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C01D 1/30 | UGR3 | . . . | by crystallisation [1, 2006.01] |
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C01D 1/32 | UGR3 | . . . | by adsorption or precipitation [1, 2006.01] |
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C01D 1/34 | UGR3 | . . . | with selective solvents [1, 2006.01] |
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C01D 1/36 | UGR3 | . . . | by oxidation [1, 2006.01] |
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C01D 1/38 | UGR3 | . . . | by dialysis [1, 2006.01] |
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C01D 1/40 | UGR3 | . . . | by electrolysis [1, 2006.01] |
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C01D 1/42 | UGR2 | . . | Concentration; Dehydration [1, 2006.01] |
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C01D 1/44 | UGR2 | . . | Preparation in the form of granules, pieces, or other shaped products [1, 2006.01] |
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C01D 3/00 | HGR | Halides of sodium, potassium, or alkali metals in general [1, 2, 2006.01] |
C01D 3/02 | UGR1 | |
C01D 3/04 | UGR1 | |
C01D 3/06 | UGR2 | . . | Preparation by working up brines, seawater or spent lyes [1, 2006.01] |
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C01D 3/08 | UGR2 | . . | Preparation by working up natural or industrial salt mixtures or siliceous minerals [1, 2006.01] |
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C01D 3/10 | UGR1 | |
C01D 3/12 | UGR1 | |
C01D 3/14 | UGR1 | . | Purification [1, 2006.01] |
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C01D 3/16 | UGR2 | . . | by precipitation or adsorption [1, 2006.01] |
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C01D 3/18 | UGR2 | . . | with selective solvents [1, 2006.01] |
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C01D 3/20 | UGR2 | . . | by melting [1, 2006.01] |
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C01D 3/22 | UGR1 | . | Preparation in the form of granules, pieces, or other shaped products [1, 2006.01] |
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C01D 3/24 | UGR2 | . . | Influencing the crystallisation process [1, 2006.01] |
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C01D 3/26 | UGR1 | . | Preventing the absorption of moisture or caking of the crystals [1, 2006.01] |
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C01D 5/00 | HGR | Sulfates or sulfites of sodium, potassium, or alkali metals in general [1, 2, 2006.01] |
C01D 5/02 | UGR1 | . | Preparation of sulfates from alkali metal salts and sulfuric acid or bisulfates; Preparation of bisulfates [1, 2006.01] |
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C01D 5/04 | UGR1 | . | Preparation of sulfates with the aid of sulfurous acid or sulfites, e.g. Hargreaves process [1, 2006.01] |
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C01D 5/06 | UGR1 | . | Preparation of sulfates by double decomposition [1, 2006.01] |
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C01D 5/08 | UGR2 | . . | with each other or with ammonium sulfate [1, 2006.01] |
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C01D 5/10 | UGR2 | . . | with sulfates of magnesium, calcium, strontium, or barium [1, 2006.01] |
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C01D 5/12 | UGR1 | . | Preparation of double sulfates of magnesium with sodium or potassium [1, 2, 2006.01] |
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C01D 5/14 | UGR1 | . | Preparation of sulfites (C01D 5/04 takes precedence) [1, 2006.01] |
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C01D 5/16 | UGR1 | . | Purification [1, 2006.01] |
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C01D 5/18 | UGR1 | . | Dehydration [1, 2006.01] |
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C01D 7/00 | HGR | Carbonates of sodium, potassium, or alkali metals in general [1, 2, 2006.01] |
C01D 7/02 | UGR1 | . | Preparation by double decomposition [1, 2006.01] |
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C01D 7/04 | UGR2 | . . | with a fluoride or silico-fluoride (C01D 1/24 takes precedence) [1, 2006.01] |
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C01D 7/06 | UGR1 | . | Preparation via sodium or potassium magnesium carbonate [1, 2006.01] |
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C01D 7/07 | UGR1 | . | Preparation from the hydroxides [2, 2006.01] |
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C01D 7/08 | UGR1 | . | Preparation from or via cyano compounds of sodium or potassium (C01D 1/26 takes precedence) [1, 2006.01] |
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C01D 7/10 | UGR1 | . | Preparation of bicarbonates from carbonates (ammonia-soda process C01D 7/18) [1, 2006.01] |
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C01D 7/12 | UGR1 | . | Preparation of carbonates from bicarbonates [1, 2006.01] |
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C01D 7/14 | UGR1 | . | Preparation of sesquicarbonates [1, 2006.01] |
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C01D 7/16 | UGR1 | . | Preparation from compounds of sodium or potassium with amines and carbon dioxide [1, 2006.01] |
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C01D 7/18 | UGR1 | . | Preparation by the ammonia-soda process [1, 2006.01] |
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C01D 7/22 | UGR1 | . | Purification [1, 2006.01] |
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C01D 7/24 | UGR2 | . . | Crystallisation [1, 2006.01] |
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C01D 7/26 | UGR2 | . . | by precipitation or adsorption [1, 2006.01] |
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C01D 7/28 | UGR2 | . . | with selective solvents [1, 2006.01] |
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C01D 7/30 | UGR2 | . . | by oxidation [1, 2006.01] |
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C01D 7/32 | UGR2 | . . | by dialysis [1, 2006.01] |
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C01D 7/34 | UGR2 | . . | by electrolysis [1, 2006.01] |
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C01D 7/35 | UGR1 | . | Varying the content of water of crystallisation or the specific gravity [2, 2006.01] |
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C01D 7/37 | UGR2 | . . | Densifying sodium carbonate [2, 2006.01] |
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C01D 7/38 | UGR1 | . | Preparation in the form of granules, pieces, or other shaped products [1, 2006.01] |
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C01D 7/40 | UGR2 | . . | Influencing the crystallisation process [1, 2006.01] |
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C01D 7/42 | UGR1 | . | Preventing the absorption of moisture or caking [1, 2006.01] |
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C01D 9/00 | HGR | Nitrates of sodium, potassium, or alkali metals in general [1, 2, 2006.01] |
C01D 9/02 | UGR1 | . | Preparation by working-up natural salt mixtures [1, 2006.01] |
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C01D 9/04 | UGR1 | . | Preparation with liquid nitric acid [1, 2006.01] |
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C01D 9/06 | UGR1 | . | Preparation with gaseous nitric acid or nitrogen oxides [1, 2006.01] |
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C01D 9/08 | UGR1 | . | Preparation by double decomposition [1, 2006.01] |
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C01D 9/10 | UGR2 | . . | with ammonium nitrate [1, 2006.01] |
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C01D 9/12 | UGR2 | . . | with nitrates of magnesium, calcium, strontium, or barium [1, 2006.01] |
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C01D 9/14 | UGR2 | . . | of salts of potassium with sodium nitrate [1, 2006.01] |
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C01D 9/16 | UGR1 | . | Purification [1, 2006.01] |
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C01D 9/18 | UGR1 | . | Preparation in the form of shaped products, e.g. granules [1, 2006.01] |
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C01D 9/20 | UGR1 | . | Preventing the absorption of moisture or caking [1, 2006.01] |
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C01D 13/00 | HGR | Compounds of sodium or potassium not provided for elsewhere [2, 2006.01] |
C01D 15/00 | HGR | Lithium compounds [2, 2006.01] |
C01D 15/02 | UGR1 | . | Oxides; Hydroxides [2, 2006.01] |
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C01D 15/04 | UGR1 | |
C01D 15/06 | UGR1 | . | Sulfates; Sulfites [2, 2006.01] |
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C01D 15/08 | UGR1 | . | Carbonates; Bicarbonates [2, 2006.01] |
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C01D 15/10 | UGR1 | |
C01D 17/00 | HGR | Rubidium, caesium, or francium compounds [2, 2006.01] |