The process for recovering metals of the 1.sup.st, 2.sup.nd, 4.sup.th, 5.sup.th, 6.sup.th, 7.sup.th and 8.sup.th sub-group of the periodic law from solutions of their salts, particularly from solutions containing hydrochloric acid contemplates as the first process step a neutralization (1) for precipitating...http://www.google.fr/patents/US4406696?utm_source=gb-gplus-shareBrevet US4406696 - Process for recovering of metals from solutions of metal salts
Process for recovering of metals from solutions of metal salts
