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Ted Mooney, P.E. RET
Pine Beach, NJ

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Help me with black oxidizing

I am a student, and I am doing my science fair project on Black Oxidizing of sterling silver. I need some back round information on black oxidizing that is not so technical, and I can understand, but every site I go to does not help me. Thank you in advance.

Sarah
- United States

Hi Sarah,

You can blacken silver in 4 oz/gal Sodium Polysulfide (Liver of Sulfur) at room temperature.

Robert H Probert
Robert H Probert Technical Services

Garner, North Carolina

This website now has a FAQ section for black oxide. You may want to read it.

Tim Neveau
Rochester Hills, Michigan

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