strontium (str on's he-um)

A bivalent element allied to calcium, found in various minerals and in some mineral waters. Sp. gr., 2.5; atomic weight, 87.2; symbol, Sr. Several of its salts are antiseptic. The bromid and the iodid are used like other bromids and iodids; the carbonate has been recommended as a dentifrice; the lactate and the salicylate are reputed intestinal antiseptics; the phosphate is a tonic; and a double sulphonate of s. and caffein is known as symphoral. ammonium and s. arsenate. The compound 2Sr(NIL)AsO + H2O. s. bromid. A soluble salt of strontium and bromin [U. S. Ph.]. s. iodid. A very soluble salt of s. and iodin. Its nature is like that of the alkali iodids [U. S. Ph.]. s. salicylate. A soluble salt of s. and sodium salicylate. Its action is like that of sodium salicylate [U. S. Ph.].