ARGOL, the commercial name of crude tartar (q.v.). It is a semi-crystalline deposit which forms on wine vats, and is generally grey or red in colour.
See also Potassium tartrate on Wikipedia; and our 1911 Encyclopædia Britannica disclaimer.
ARGOL, the commercial name of crude tartar (q.v.). It is a semi-crystalline deposit which forms on wine vats, and is generally grey or red in colour.