C
SECTION C — CHEMISTRY AND METALLURGY
  
METALLURGY
 C22
METALLURGY (of iron C21); FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR OF NON-FERROUS METALS
 C22D
ELECTROLYTIC AND ELECTROTHERMIC PRODUCTION AND REFINING OF METALS
 C22D 1/00
Obtaining metals or alloys by electrolysis of solutions (depositing metals by galvanisation C23B)
 C22D 1/02
·  Apparatus (electrodes or diaphragms for general electrolytic purposes B01K; electrodes for batteries H01M; for galvanisation C23B)
 C22D 1/04
·  ·  with a mercury cathode
 C22D 1/06
·  alkali metals, alkaline-earth metals, beryllium, aluminium, or magnesium
 C22D 1/08
·  ·  Apparatus therefor
 C22D 1/10
·  heavy metals,
 C22D 1/12
·  ·  gold; silver; platinum metals
 C22D 1/14
·  ·  nickel, cobalt
 C22D 1/16
·  ·  copper
 C22D 1/18
·  ·  tin
 C22D 1/20
·  ·  ·  Detinning (chemical detinning C22B 25/06)
 C22D 1/22
·  ·  zinc; cadmium
 C22D 1/24
·  ·  iron, lead, chromium, manganese, or other heavy metals
 C22D 1/26
·  alloys
 C22D 3/00
Obtaining metals or alloys by electrolysis in fused electrolytes
 C22D 3/02
·  Apparatus
 C22D 3/04
·  light metals
 C22D 3/06
·  ·  alkali or alkaline-earth metals
 C22D 3/08
·  ·  magnesium
 C22D 3/10
·  ·  beryllium
 C22D 3/12
·  ·  aluminium
 C22D 3/14
·  heavy metals
 C22D 3/16
·  ·  lead
 C22D 3/18
·  ·  magnese
 C22D 3/20
·  alloys
 C22D 5/00
Obtaining metal powders or porous metal masses by electrolysis
 C22D 7/00
Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys (obtaining iron and steel C21B, C21C)
 C22D 7/02
·  light metals
 C22D 7/04
·  heavy metals
 C22D 7/06
·  alloys
 C22D 7/08
·  Apparatus (electric heating elements H05B)