... powder, relative density 3.14, Soluble in diluted hydrochloric acid and dilute nitric acid, melting point 1670 CAS NO. 10103-46-5 ... ,% / /10.0 max.6.5max.Lead,ppm / /2 max.1max.Acid insolubles,% / / /0.05 max.Barium, / / /Pass testCarbonate / / /Pass testChloride, % / ... , relative density 3.14, Soluble in diluted hydrochloric acid and dilute nitric acid, melting point 1670, stable in air.UsageUsed for ...