C
SECTION C — CHEMISTRY AND METALLURGY
  
CHEMISTRY
 C01
INORGANIC CHEMISTRY (obtaining metal compounds by metallurgical processes C21B, C22B)
 C01D
COMPOUNDS OF ALKALI METALS (LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM) (C01C 3/14, C01F, C01G take precedence; metal hydrides C01B 6/00; salts of oxyacids of halogens C01B 11/00; salts of peracids, metal peroxides C01B 15/00; sulphides C01B 17/22; thiosulphates, hyposulphites, polythionates C01B 17/64; compounds containing selenium or tellurium C01B 19/00; nitrides C01B 21/06; azides C01B 21/08; imido or amido compounds C01B 21/10; nitrites C01B 21/50; phosphides C01B 25/08; salts of oxyacids of phosphorus C01B 25/16; compounds containing arsenic C01B 27/00; compounds containing antimony C01B 29/00; carbides C01B 31/30; compounds containing silicon C01B 33/00; compounds containing boron C01B 35/00; cyanides C01C 3/08; salts of cyanamide C01C 3/16; thiocyanates C01C 3/20)
 C01D 1/00
Oxides or hydroxides of sodium and/or potassium
 C01D 1/02
·  Oxides of sodium and/or potassium
 C01D 1/04
·  Hydroxides of sodium and/or potassium
 C01D 1/06
·  ·  Preparation by electrolysis
 C01D 1/08
·  ·  ·  with the aid of a liquid cathode
 C01D 1/10
·  ·  ·  ·  with a vertical cathode
 C01D 1/12
·  ·  ·  ·  with a horizontal cathode
 C01D 1/14
·  ·  ·  ·  Regulating the distance between the solid anode(s) and the liquid cathode
 C01D 1/16
·  ·  ·  ·  Working up the amalgam
 C01D 1/18
·  ·  ·  ·  ·  with the aid of catalysts
 C01D 1/20
·  ·  Preparation by reacting oxides or hydroxides with salts of sodium or potassium
 C01D 1/22
·  ·  ·  Causticisation of carbonates or bicarbonates of sodium or potassium
 C01D 1/24
·  ·  ·  from or via fluorides or silico-fluorides of sodium and/or potassium
 C01D 1/26
·  ·  Preparation from or via cyano coumpounds, e.g. cyanides, cyanamides
 C01D 1/28
·  ·  Purification; Separation
 C01D 1/30
·  ·  ·  by crystallisation
 C01D 1/32
·  ·  ·  by adsorption and/or precipitation
 C01D 1/34
·  ·  ·  with selective solvents
 C01D 1/36
·  ·  ·  by oxidation
 C01D 1/38
·  ·  ·  by dialysis
 C01D 1/40
·  ·  ·  by electrolysis
 C01D 1/42
·  ·  Concentration; Dehydration
 C01D 1/44
·  ·  Preparation in the form of granules, pieces, or other shaped products
 C01D 3/00
Halides of sodium and/or potassium
 C01D 3/02
·  Fluorides
 C01D 3/04
·  Chlorides
 C01D 3/06
·  ·  Preparation by working up brines, seawater or spent lyes
 C01D 3/08
·  ·  Preparation by working up natural or industrial salt mixtures or siliceous minerals
 C01D 3/10
·  Bromides
 C01D 3/12
·  Iodides
 C01D 3/14
·  Purification
 C01D 3/16
·  ·  by precipitation and/or adsorption
 C01D 3/18
·  ·  with selective solvents
 C01D 3/20
·  ·  by melting
 C01D 3/22
·  Preparation in the form of granules, pieces, or other shaped products
 C01D 3/24
·  ·  Influencing the crystallisation process
 C01D 3/26
·  Preventing the absorption of moisture and/or caking of the crystals
 C01D 5/00
Sulphates or sulphites of sodium and/or potassium
 C01D 5/02
·  Preparation of sulphates from salts sodium and/or potassium sulphuric acid or bisulphates; Preparation of bisulphates
 C01D 5/04
·  Preparation of sulphates with the aid of sulphurous acid or sulphites, e.g. Hargreaves process
 C01D 5/06
·  Preparation of sulphates of sodium or potassium by double decomposition
 C01D 5/08
·  ·  with each other or with ammonium sulphate
 C01D 5/10
·  ·  with sulphates of magnesium, calcium, strontium, or barium
 C01D 5/12
·  ·  ·  Preparation of double sulphates of magnesium with sodium and/or potassium
 C01D 5/14
·  Preparation of sulphites (C01D 5/04 takes precedence)
 C01D 5/16
·  Purification
 C01D 5/18
·  Dehydration
 C01D 7/00
Carbonates of sodium and/or potassium
 C01D 7/02
·  Preparation by double decomposition
 C01D 7/04
·  ·  with a fluoride or silico-fluoride (C01D 1/24 takes precedence)
 C01D 7/06
·  Preparation via sodium or potassium magnesium carbonate
 C01D 7/08
·  Preparation from or via cyano compounds of sodium or potassium (C01D 1/26 takes precedence)
 C01D 7/10
·  Preparation of bicarbonates from carbonates (C01D 7/18 takes precedence)
 C01D 7/12
·  Preparation of carbonates from bicarbonates
 C01D 7/14
·  Preparation of sesquicarbonates
 C01D 7/16
·  Preparation from compounds of sodium or potassium with amines and carbon dioxide
 C01D 7/18
·  Preparation by the ammonia-soda process
 C01D 7/20
·  Preparation by electrolysis
 C01D 7/22
·  Purification
 C01D 7/24
·  ·  Crystallisation
 C01D 7/26
·  ·  by precipitation and/or adsorption
 C01D 7/28
·  ·  with selective solvents
 C01D 7/30
·  ·  by oxidation
 C01D 7/32
·  ·  by dialysis
 C01D 7/34
·  ·  by electrolysis
 C01D 7/36
·  Varying the crystal water content of sodium carbonate
 C01D 7/38
·  Preparation in the form of granules, pieces, or other shaped products
 C01D 7/40
·  ·  Influencing the crystallisation process
 C01D 7/42
·  Preventing the absorption of moisture and/or caking
 C01D 9/00
Nitrates of sodium and/or potassium
 C01D 9/02
·  Preparation by working-up natural salt mixtures
 C01D 9/04
·  Preparation with liquid nitric acid
 C01D 9/06
·  Preparation with gaseous nitric acid or nitrogen oxides
 C01D 9/08
·  Preparation by double decomposition
 C01D 9/10
·  ·  with ammonium nitrate
 C01D 9/12
·  ·  with nitrates of magnesium, calcium, strontium, or barium
 C01D 9/14
·  ·  of salts of potassium with sodium nitrate
 C01D 9/16
·  Purification
 C01D 9/18
·  Preparation in the form of shaped products, e.g. granules
 C01D 9/20
·  Preventing the absorption of moisture and/or caking
 C01D 11/00
Other compounds of alkali metals
 C01D 11/02
·  Compounds of Lithium
 C01D 11/04
·  Compounds of rubidium and/or caesium