This section is from the book "Materia Medica And Therapeutics Inorganic Substances", by Charles D. F. Phillips. Also available from Amazon: Materia medica and therapeutics.
By precipitation from a solution of the nitrate by means of lime-water.
Occurs as an olive-brown powder: sp. gr. 7.2. It is reduced to the metallic state by a red heat, is soluble in ammonia and in nitric acid, but slightly soluble in water, to which it gives a metallic taste and an alkaline reaction.