Equally Gregor and Klaproth worked with titanium compounds. The first significant isolation of nearly pure titanium was attained in 1875 by Kirillov in Russia. Isolation with the pure metal was not shown right up until 1910 when Matthew Hunter and his associates reacted titanium tetrachloride with sodium within a heated https://glass-lined-cast-iron-pip48269.thezenweb.com/the-smart-trick-of-covalent-or-ionic-ca3n2-that-no-one-is-discussing-73933983