Origin of mother liquor
Examples from the Web for mother liquor
These were separated, and the mother-liquor on standing deposited some oblong rectangular crystals.
This rough Epsoms, or sulphate of magnesia, is the crystals thrown down by the mother-liquor after a second boiling.A Month in Yorkshire|Walter White
More crystals may be obtained by again evaporating the mother-liquor.Cooley's Practical Receipts, Volume II|Arnold Cooley
The mother-liquor of the crystallisers is pumped back into the evaporating pans for further concentration.
The salt so separating may be either anhydrous or a "hydrate" of greater concentration than the mother-liquor.