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 ...

The subject swallows a mouthful of barium sulfate, which is then propelled down the esophagus and into the stomach by a peristaltic contraction wave.

compared to standard synthetic barium sulfate (C$7,230/ton). Frances Creek could significantly reduce North America’s 100-per-cent dependence on imports for radiology drugs and establish the ...