Wet process phosphoric acid brightening reagent for aluminum

Details Wet process phosphoric acid brightening reagent for aluminum Wet process phosphoric acid brightening reagent for aluminum

C - Chemistry, Metallurgy

23

G

149/20

C23G 1/12 (2006.01)

Patent

CA 1218920

Abstract of the Disclosure This invention teaches the development of a chemical reagent useful as an aluminum brightening bath. The reagent's composition is primarily wet-process phosphoric acid to which has been added small quantities of nitric acid, copper, and optionally traces of several other substances. The reagent does not require expen- sive removal of the natural impurities found in wet- process phosphoric acid.

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