Note 645 — Chapter XXII · THE INDUSTRIAL APPLICATIONS OF TITANIUM AND ITS COMPOUNDS

A good account of some of the earlier work in this connection is given by Erban, Chem. Zeitg. 1906, 30, 145.

[646] E. 5712, 1896.

[647] Vide Dreher, D. R. P. 142464, June, 1903.

[648] Vide E. 22629 and 23188 of 1901, 14921 and 27597 of 1902, and 5211 of 1903.

[649] Vide D. R. P. 139059 and 139060 of February, 1903, and 139838 of March, 1903.