Potassium reacts quickly with water producing a lilac-coloured flame For example, when potassium is added to water, the metal melts and floats. It moves around very quickly on the surface of the water ...
† Department of Chemical Engineering, Graduate School of Engineering, Tohoku University, 6-6-10, Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan ‡ New Industry Creation Hatchery Center, Tohoku ...