Voyageur Pharmaceuticals Ltd. (TSX.V:VM) (OTC Pink:VYYRF) ("Voyageur" or the "Company") a radiology contrast media company focused on vertical integration and secure supply chains, is pleased to ...

Explain why, in a test for sulfate ions, the sample is acidified with hydrochloric acid first. Carbonate ions also produce a white precipitate with barium chloride solution. The acid reacts with ...