Silver, copper, or brass can oxidize {tarnish} in air. Oxidizing is faster if food acid or moisture is present.
Chemicals {polish}| {silver polish} {brass polish} {copper polish} can clean tarnish. Furniture polish or plastic spray prevents tarnish.
Chemical or abrasive can remove tarnish. Abrasives include clay, diatomaceous earth, or chalk, which mix in water or another solvent. Polishing cloths can use powdered iron oxide {jeweler's rouge} as abrasive.
Brass and copper tarnish can rub off with acetone. Dip cleaners use chemicals to remove oxides but can dull the finish.
Aluminum pot filled with hot water and detergent can clean objects {electrolytic cleaning}. Tarnish transfers to pot.
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Date Modified: 2022.0224