Aluminium

{al-u-min* ’-e-um) [L.j. Al = 27. Quantivalence II, IV. A silver white metal distinguished by its low sp. gr., — about 2.6. It is largely used in the arts and for certain surgical instruments. A. hydrate, Al.2(HO)6, a tastele white powder, feebly astringent. Dose gr. iij-xx (0.2— 1. 3). A. and Pota ium sulphate, K2A12(S04)4 (Ahem), a valuable astringent used in catarrh, leukorrhea, gonorrhea. Dose gr. x-xx (0.65-1.3). In teaspoonful doses it is an emetic. A. sulphate, A12(S04)3, an antiseptic and astringent used as a lotion in 5 per cent, solution. A. acetate, a disinfectant. Unof. Aluminol, 47