Recovery of acids from materials comprising acid and salt

Recovery of phosphorus from sludge

Redox electrode for determining nitrous acid and nitrosyl compou

Redox polymer modified electrode for the electrochemical regener

Reduction of metal oxide in a dual frequency etch chamber

Reductive precipitation of metals photosensitized by tin and...

Regenerating a plasma initiator using molecular hydrogen in the

Regenerating a plasma initiator using oxygen-containing gas in t

Regeneration of a working solution in a hydrogen peroxide...

Regeneration of plastic etchants

Regeneration of waste metallurgical process liquor

Removal of cyanide from waste water

Removal of fluoride impurities from UF.sub.6 gas

Removal of organic materials from a gas

Removal of unsaturated carbon compounds from 1,1-dichloro-1-fluo

Removal of unsaturated hydrocarbons in anhydrous hydrogen halide

Removing contamination

Resin composition for aqueous paint

Ripening agent for acrylic plastisols

Room-temperature-radiation-curable polyurethane