Both Equally Gregor and Klaproth worked with titanium compounds. The primary substantial isolation of approximately pure titanium was achieved in 1875 by Kirillov in Russia. Isolation with the pure metal was not demonstrated until 1910 when Matthew Hunter and his associates reacted titanium tetrachloride with sodium in the heated steel https://glass-lined-carbon-steel37047.glifeblog.com/34687399/new-step-by-step-map-for-what-color-is-alumina