Equally Gregor and Klaproth worked with titanium compounds. The very first considerable isolation of practically pure titanium was accomplished in 1875 by Kirillov in Russia. Isolation of the pure metal wasn't shown until 1910 when Matthew Hunter and his associates reacted titanium tetrachloride with sodium in a heated steel bomb. https://connerlkjgf.timeblog.net/71565500/helping-the-others-realize-the-advantages-of-diacetylferrocene-melting-point