[238] Vid. op. et loc. cit. supra.

[239] Benedikt and Lewkowitsch; Oils, Fats, and Waxes, pp. 96 et seq.: Zune; Analyse des Beurres, pp. 26 et seq.

[240] Journal of the Society of Chemical Industry, 1885, p. 535.

[241] Vid. op. cit. 1, p. 97.

[242] Vid. op. cit. 7, p. 443.

[243] Vid. op. cit. 1, pp. 97 and 98.

[244] Butter, its Analysis and Adulterations, p. 24.

[245] Bulletin No. 46, Division of Chemistry, U. S. Department of Agriculture, p. 34.

[246] Vid. op. cit. 7, p. 447.

[247] Analyse des Beurres, pp. 33 et 63: Zeitschrift für Instrumentenkunde, 1887, Ss. 16, 55, 392, 444: Zeitschrift für physikalische Chemie, Band 18, S. 294. (Ou. pp. 328-9 and 334 read Amagat for Armagat.)