Salt

[sal, salt]. I. Sodium chlorid. 2. Any compound of abase and an acid. S., Acid, a salt formed from a dibasic or polybasic acid in which only a part of the replaceable hydrogen-atoms has been replaced by the base. S., Basic, a S. containing an exce of the basic element, and formed by the union of a normal salt with a basic oxid or hydroxid. S., Bay-, sodium chlorid; also the sea-salt obtained by the evaporation of seawater by solar heat. S., Common, sodium chlorid. S., Diuretic, pota ium acetate. S., Double, one in which the hydrogen atoms of an acid are replaced by two metals. S., Epsom-, magnesium sulphate. S.-frog, a frog from whose vascular system all blood has been artificially removed and replaced by normal salt-solution; it is also known as Cohnheim’s frog. S., Glauber’s, sodium sulphate. S., Halogen, S., Haloid, any salt of the halogen-elements, bromin, chlorin, fluorin, and iodin. S.,Monsel’s,sub sulphate of iron, used chiefly in solution as a styptic. S., Neutral, one formed by the replacement of all the hydrogen-atoms of an acid by a base or a radicle. S., Normal. Synonym of S., Neutral. S. -rheum, chronic eczema. S., Rochelle-, sodium and pota ium tartrate. S., Rock-, native sodium chlorid, occurring in crystalline ma es. S., Sea-, the sodium chlorid obtained by the evaporation of sea-water. S., Smelling, any pungent, irritant salt which when inhaled usually acts reflexly as a respiratory or circulatory stimulant. Ammonium carbonate is generally used. S. -solution, a solution of sodium chlorid in distilled water. One containing from 0.6 to 0.75 per cent, of sodium chlorid is known as a normal ’or physiologic salt-solution, and is used in physiologic experiments on living ti ues. In medicine, it has been employed to restore to the system the fluids lost by severe hemorrhage or profuse diarrheal discharges. The solution is introduced into the subcutaneous ti ues or into a vein; sometimes also into the rectum. Salts. A saline cathartic, especially magnesium sulphate, sodium sulphate, or Rochelle-salt. Salt a toric, 565