1,high quality and competitive price 2,shortest delivery time 3,good ... purity conforming to BS EN 1179:2003 GOST 3640 Sale the Zinc Ingot etc ,Not less than 1000MTwith ... of hydrogen. When heated with halogen, sulfur and other reactions. Easily with acid reaction, but the slow ... solution, or with copper, nickel, platinum and other metal contact, the reaction accelerated. Soluble in alkali solution to ...