Calcium

{kaU-se-um) [calx, lime]. Ca = 40; quantivalence II. A brilliant, silver white metal, the basis of limestone, characterized by strong affinity for oxygen, and isolated with great difficulty. It is best known in the form of calcizim oxid, quicklime; C. hydrate, slaked lime; and C. carbojiate, limestone or chalk. C. benzoas, Ca(C7H502)2, used in nephritis and albuminuria of pregnancy. Dose gr. v-x (0.32-0.65). C. bromidum, used as a sedative. Dose gr. xx-xxx (1.3- 2.0). C. chloridum, CaCl2, soluble in water; used internally to increase the coagulability of the blood. Dose gr. x-xx (0.65- 1.3). C. chlorid.,Liq., (B.P.). ch163.xhtml d 164