Why is ammonium hydroxide added to the brass solution?



Why is ammonium hydroxide added to the brass solution?..

Answer / Preeti Chaudhary

Ammonium hydroxide (NH4OH) is used in pickling, which is the process of removing oxidized layers and impurities from brass surfaces. The reaction between NH4OH and copper oxides forms a soluble complex, allowing for easier removal of these unwanted substances.

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