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Topic: Copper not dissolving in nitric acid  (Read 499 times)

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Offline ronnyguy13

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Copper not dissolving in nitric acid
« on: December 24, 2023, 03:42:38 PM »
Recently ive bought some copper wire online, when added into 70% nitric acid it did not dissolve despite stirring and waiting. Has anyone else encountered this before and how can i fix this issue? I know the acid is 70% because ive used it before to dissolve pennies and in nitration.

Offline Hunter2

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Re: Copper not dissolving in nitric acid
« Reply #1 on: December 24, 2023, 05:24:00 PM »
What kind of wire did you bought. Is it to produce coppercoil.
This wire is coated with a special paint. Take some and burn it in a flame, after that it should dissolve in acid.

Offline ronnyguy13

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Re: Copper not dissolving in nitric acid
« Reply #2 on: December 24, 2023, 07:44:25 PM »
I threw it into a fire for a bit and afterwards it dissolved in the acid. Thanks for the *delete me*

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