Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
C01D 1/28

Purification; Separation

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Oxides or hydroxides of sodium, potassium, or alkali metals in general > Hydroxides > Purification; Separation

CPC:

Oxides or hydroxides of sodium, potassium or alkali metals in general > Hydroxides > Purification; Separation

IPC and CPC are identically structured here. All 6 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

Navigate with arrow keys, Enter to open

  • C01D 1/30 by crystallisation IPC+CPC Available in IPC and CPC
  • C01D 1/32 by absorption or precipitation IPC+CPC Available in IPC and CPC
  • C01D 1/34 with selective solvents IPC+CPC Available in IPC and CPC
  • C01D 1/36 by oxidation IPC+CPC Available in IPC and CPC
  • C01D 1/38 by dialysis IPC+CPC Available in IPC and CPC
  • C01D 1/40 by electrolysis IPC+CPC Available in IPC and CPC