Regeneration of plastic etchants

Regeneration of spent electroless copper plating solution

Regeneration of spent ferric chloride etchants

Regeneration of waste metallurgical process liquor

Regulation and stabilization of the AlF.sub.3 content in an alum

Rehydratable gels for capillary electrophoresis

Reinforced composites made by electro-phoretically coating graph

Reinforced membrane, electrochemical cell and electrolysis proce

Rejuvenation of membrane type chlor-alkali cells by intermittent

Rejuvenation of the efficiency of sea water electrolysis cells b

Remediation of a bulk source by electropotential ion transport u

Removal of acid from cathodic electrocoating baths by electrodia

Removal of acid from cathodic electrocoating baths by electrodia

Removal of acid from cathodic electrocoating baths by electrodia

Removal of acid from cathodic electrocoating baths by electrodia

Removal of arsenic from acids

Removal of biological contaminants

Removal of biological contaminants

Removal of biological contaminants

Removal of cadmium from phosphoric acid-containing solutions