IPC Subgroup
C01D 7/22 Purification
Introduced: September 1968
Last revised: January 2006
Full Title
Carbonates of sodium, potassium, or alkali metals in general > Purification
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- INORGANIC CHEMISTRY
- Subclass:
- COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
6 direct subcodes
Child Classifications
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