Regeneration of alkaline treating agents

Regeneration of an ammoniacal etching solution with recycling of

Regeneration of biosensors

Regeneration of photographic processing solutions

Regeneration of plastic etchants

Regeneration of spent electroless copper plating solution

Regeneration of spent ferric chloride etchants

Regeneration of waste metallurgical process liquor

Regenerative fuel cell

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

Rehydratable gels for capillary electrophoresis

Reinforced bipolar electrolytic cell frame

Reinforced casing for an electrode for a diaphragm-type electrol

Reinforced cation permeable separator

Reinforced composites made by electro-phoretically coating graph

Reinforced electrolyte function elements

Reinforced hanger bracket for electroplating barrel and method o

Reinforced lead anode for the electrolytic production of zinc fr

Reinforced membrane, electrochemical cell and electrolysis proce

Reinforced metal channels for cell frame