[287] The Analyst, Vol. 22, p. 58.
[288] Vid. op. cit. supra, Vol. 20, p. 146.
[289] Journal of the American Chemical Society, Vol. 17, p. 378.
[290] Dingler’s Polytechnisches Journal, 1884, Ss. 253-281: Journal of the Society of Chemical Industry, 1884, p. 641.
[291] Bulletin No. 46, Division of Chemistry, U. S. Department of Agriculture, p. 32.
[292] Liebermann; Berichte der deutschen chemischen Gessellschaft, Band 24, S. 4117.
[293] Vid. op. cit. 1, p. 136.
[294] Vid. op. cit. 57, 1895, pp. 130 and 1030.
[295] Zeitschrift für analytische Chemie, Band 32, Ss. 181 et seq.
[296] Vid. op. cit. 61, Vol. 16, p. 372.