Specification: a. Appearance: Powder b. Color: White c. Solubility in Ethanol: Soluble slowly in water d. Identification: Conform e. Heavy metals: Conform f. Chlorate: Conform g. Iodide: Conform h. pH: 5,0 - 8,0 i. Loss on Drying: 0,0 - 0,5% j. Assay: 99,0 - 101,0%