bigtrevs98
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Copper(II) Acetate precipitation?
So is there some way to precipitate/remove the copper out of Copper(II) Acetate to make pure Peracetic Acid? Could you give me all the different
ways?(if more than one?)
[Edited on 15-4-2015 by bigtrevs98]
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DraconicAcid
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If you wanted pure acetic acid from copper(II) acetate, I'd add strong sulphuric acid and distill. Peracetic acid, on the other hand....
Please remember: "Filtrate" is not a verb.
Write up your lab reports the way your instructor wants them, not the way your ex-instructor wants them.
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bigtrevs98
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So another question about copper acetate... when using completely clean copper pennies to make Copper(II)dAcetate. The solution has yellowish looking
crystals that look black when in a dense group can someone tell me what this is? Is it just left over copper?
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Amos
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What do you mean "clean copper pennies"? If you're in the U.S., any pennies made after 1982 are only coated with copper, and the rest is zinc. Even
those made before 1982 still contain at least 5 percent zinc.
You should also mention the method by which you're trying to produce copper(II) acetate from these pennies; we can't tell you what you're dealing
unless you tell us what you're doing.
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Bert
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For a start, electrical wire is electrolytically refined, about the purest source of easily available Copper.
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Anatol Rapoport was a Russian-born American mathematical psychologist (1911-2007).
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Bert
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Thread Moved
16-4-2015 at 07:51 |
Amos
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But since your question is about "removing copper" from copper(II) acetate to somehow produce peracetic acid, no, I don't think that is at all
possible. If you want peracetic acid, generate it in solution with acetic acid and hydrogen peroxide. What do you need peracetic acid for, anyway?
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bigtrevs98
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I have no use Amos just for educational and fun reasons. Okay. I take a 60mL of 5% acetic acid and 60mL of 3% Hydrogen peroxide. I mix the two and put
in 5 New pennies (Post 1982 pennies completely clean) in the solution. I wait a bit... solution turns blue and the copper plating starts turning
black. I see little black/yellow specks in the bottom of the solution. Cant get a good quality picture or u would. What are the little black/yellow
specks. I don't care about my original question
[Edited on 16-4-2015 by bigtrevs98]
[Edited on 17-4-2015 by bigtrevs98]
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aga
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From experience, it is best to set yourself a Target, such as glacial acetic acid from pennies and vinegar, or even peracetic, gold, moonshine,
whichever.
Then try to get from the start to the finish without changing your Target.
You'll learn more that way.
You will have more idea what the black/yellow specs are than any of us, as we have absolutely no idea what the pennies, vinegar, environment or
reaction vessel looked like before the experiment.
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hyfalcon
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Those pennies are mostly zinc. You need pre-1982 pennies for 90/10 copper/zinc alloy pennies. As Bert said previously, if you need PURE, or mostly
so, copper, use copper wire.
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Amos
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What you could be witnessing is very small particles of copper, copper(I) oxide, or copper(II) oxide that has flaked off from the outer surface of the
pennies during this reaction. Copper metal itself can take on a variety of different colors depending on particle size and other factors.
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