[120] ‘Water Analysis.’
[121] Jour. Lond. Chem. Soc., xviii. p. 117.
[122] Ibid., xxxv. p. 67.
[123] Sixth Annual Report, Rivers Pollution Commission, “Blue Book.”
[124] Jour. Lond. Chem. Soc. 1867, xx. p. 445.
[125] Phil. Mag., xxx. p. 426.
[126] Ber. der Deutsch. Chem. Gesell. xii. p. 427.
[127] Chem. Soc. Journ., March, 1879.
[128] Pharm. Zeit., 1885, No. 76.
[129] ‘Annual Report of the National Board of Health,’ 1882, p. 207.