CPC Subgroup
C01D 1/32 by absorption or precipitation
Full Title
Oxides or hydroxides of sodium, potassium or alkali metals in general > Hydroxides > Purification; Separation > by absorption or precipitation
C01D 1/32 Oxides or hydroxides of sodium, potassium or alkali metals in general > Hydroxides > Purification; Separation > by absorption or precipitation