Thus the presence of a nitrate in the mother liquor tends to produce points or thorns.
This mother liquor may be used in setting the vat as follows.
From the dark green syrup obtained jervine crystallised out, and from the mother liquor ultimately protoveratridine was separated.
Drain crystals and dry quickly with a gentle heat; more crystals may be obtained by evaporating the mother liquor, and cooling.
Wash them several times with ether, but not sufficient to remove the mother liquor entirely.
The mother liquor, by further concentration and cooling, will yield an additional product.
By the evaporation of the mother liquor iodide of potassium is obtained.
Separate the mother liquor from the crystals, and concentrate to obtain a further product.
By further evaporating the mother liquor, and again cooling, additional crystals are obtained.
Lymington Glaubers salt is a mixture of the sulphates of soda and potassa obtained from the mother liquor of sea salt.