Purification

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Compounds of calcium, strontium, or barium > Oxides or hydroxides > Purification

CPC:

Compounds of calcium, strontium, or barium (C01F7/00 takes precedence) > Oxides or hydroxides (production of lime C04B2/00) > Purification

No child classifications to compare. This is a leaf node in both IPC and CPC.