PROCESSO PARA A PREPARACAO DE TANINO DE CROMO E SAL DE GLAUBER

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 (A) TREATING AN ABOUT 20 TO 70% AQUEOUS...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	NIEDERPRUM H, BOCKELMANN W, UECKER G
Format:	Patent
Sprache:	por
Schlagworte:	APPARATUS THEREFOR CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING,IMPREGNATING, FINISHING CHEMISTRY COMPOSITIONS FOR TANNING COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM HIDES INORGANIC CHEMISTRY LEATHER METALLURGY PELTS SKINS
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