Originally Posted by hank678417
formula
nitric acid 4oz
hydrochloric acid 3oz
iron 1/2 lb
distilled water 1 quart
This is very close to the old Neidner formula.
Used correctly, you can get different "colorings" depending on the steel.
I refinished (again) my 1911 this way and it turned out exactly like I wanted.
CAUTION: Mixing these chemicals is dangerous.
AAA... Alway Add Acid to water.
When The iron (I used baling wire) is added to the acids it produces a very toxic gas. Do this outside with some breathing protection.
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