Appearance Clear, colourless, or pale yellow. Darkens with age | ||
Donovan's solution is an inorganic compound prepared from arsenic triiodide and mercuric iodide. Despite its name, it is a compound and not a solution.
Contents
Method
1g each of AsI3 and HgI2 with 0.9 sodium bicarbonate in water to make 100 ml.
Cooley's cyclopædia of practical receipts and ... information on the arts, manufactures, and trades gives a more complex method.
Uses
Has been used in veterinary medicine to treat chronic diseases of the skin. Also as a folk remedy. Used during the 19th century to treat Lepra vulgaris and psoriasis in humans, taken internally.
References
Donovan's solution Wikipedia(Text) CC BY-SA