[400] Reicher, Zeitschr. für Krystallographie, 1884, 8. 593.
[401] Zeitschr. physikal. Chem., 1895, 17. 153.
[402] Zeitschr. physikal. Chem., 1899, 28. 464.
[403] Meyerhoffer and Saunders, ibid., p. 466.
[404] See Van Eyk, Zeitschr. physikal. Chem., 1899, 30. 446.
[405] See in this connection the volume in this series on Electro-chemistry, by Dr. R. A. Lehfeldt.
[406] Barnes and Cooke, Journ. Physical Chem., 1902, 6. 172.
[407] For a description and explanation of these, the reader should consult the volume in this series by Dr. Lehfeldt on Electro-chemistry; and van't Hoff, Bildung und Spaltung von Doppelsalzen, p. 48 ff.