Each Gregor And Klaproth labored with titanium compounds. The main considerable isolation of approximately pure titanium was achieved in 1875 by Kirillov in Russia. Isolation with the pure metal wasn't shown till 1910 when Matthew Hunter and his associates reacted titanium tetrachloride with sodium in a very heated steel bomb. https://glasslinepipe37146.blogsmine.com/36238650/the-smart-trick-of-colour-of-manganese-dioxide-that-nobody-is-discussing