| The monohydrate, LiNO2,H2O, is obtained by the interaction of lithium chloride and silver nitrite, and also by that of lithium sulphate and barium nitrite. It forms colourless, deliquescent needles, very soluble in water. At 0° C. its density is 1.615, and between 21° C. and 31° C. 1.671. Its molecular volume is 63.44. Under the influence of sunlight it decomposes, with formation of the red nitride. Oswald also prepared a colourless, deliquescent semi-hydrate, and proved that the colourless anhydrous salt becomes hydrated through the action of the moisture of the atmosphere. |