what acid will selectivly remove silver solder from gold?

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2006-08-02 05:12:01 · 4 answers · asked by john w 1 in Science & Mathematics ➔ Chemistry

Nitric alone. Gold requires a mixture of hydrochloric and nitric (called "aqua regia", aka "royal water") to dissolve.

2006-08-02 05:50:43 · answer #1 · answered by Mr. E 5 · 1⤊ 0⤋

6M nitric acid will do the trick. That's what we use.

2006-08-02 06:29:04 · answer #2 · answered by Girbot 2 · 0⤊ 0⤋

HNO3

2006-08-02 12:39:26 · answer #3 · answered by Magix 3 · 0⤊ 0⤋

i dont' know of any

2006-08-02 05:32:22 · answer #4 · answered by shiara_blade 6 · 0⤊ 0⤋