Process for the preparation of a chrome tanning agent and Glaube

Compositions – Leather or fur treating

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8 9427, 423 55, 423198, 423551, 423607, C14C 306, C14C 900, C01D 1506, C01G 3702

Patent

active

041682408

ABSTRACT:
A process for the preparation of a chrome-tanning agent and Glauber's salt from sodium bisulphate contaminated with chromium compounds obtained as by-product from the manufacture of chromic acid from solid sodium dichromate and sulphuric acid, comprising

REFERENCES:
patent: 409336 (1889-08-01), Rappe
patent: 1983733 (1934-12-01), Binns
patent: 2110187 (1938-03-01), Williams
patent: 2766098 (1956-10-01), Perrin
patent: 3097064 (1963-07-01), Caldwell
patent: 3822993 (1974-07-01), Rubinson et al.
patent: 3950131 (1976-04-01), Young
E. Giusiana Utilization of Residues from Chome Tannage Le Cuir, 15 Dec. 1912, pp. 799-803, as abstracted by J. American Leather Chemical Association, vol. 8, 1913, p. 68.
Skoog et al., Fundamentals of Analytical Chemistry, Holt Rinehart and Winston, NY, NY, 1963, pp. 188-191, 745-746.

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