Dose, 1 - 10 grs.; 1/2 - 6 dgms.

Filiform, silky crystals, with an intensely bitter taste. Soluble 1 in 800 of water, 1 in 65 of alcohol. The addition of roughly 1 min. per gr. of a diluted mineral acid will convert it into the acid sulphate (or bisulphate), which is soluble 1 in 10 of water.

Incompatibles, acetates, citrates, benzoates, salicylates, tartarates. alkali hydrates or carbonates, borax, tannic acid, mercuric chloride. potassium and mercuric iodides: gives a soft mass with thymol, and a stiff mass or damp powder with chloral.

iPilula Quininae Sulphatis. Dose, 2 - 8 grs.; 2 /12 - 5 dgms. (in 1 or 2 pills). - 82.5; Tartaric Acid, 2.75; Glycerin, 11; Tragacanth, 2.75.

3Tinctura Quininae Ammoniata. Dose, 30 - 60 min.; 2 - 4 c.c. - 2; Solution of Ammonia, 10: Alcohol 60%, 90.