copperastic
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blood red ammonium acetate.
Hi I prepared an ammonium acetate solution by adding some phenolphthalein solution to the ammonia, Then adding vinegar till the pink went away. I then
boiled it down and now the solution is a dark red solution. Do you know why this may be?
Thanks.
It was household vinegar and ammonia.
[Edited on 18-4-2014 by copperastic]
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thesmug
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You ended up with an excess of ammonia, which is very common. It probably shouldn't be an issue.
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smaerd
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Try adding some cold anhydrous alcohol (ethanol, methanol, isopropanol/whatever) to your 'ammonium acetate'. See if it's the phenolphthalein.
http://en.wikipedia.org/wiki/Phenolphthalein
That's my first guess...
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copperastic
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Thesmug, did it make another compound then? If not, why would that color the solution red?
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smaerd
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Did you extract or remove the phenolphthalein?
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copperastic
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This is what it looked like after being boiled down. When I took it off the hot plate it was fuming white fumes pretty heavily.
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copperastic
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copperastic
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I didn't do anything to it. That makes me think that some carbon monoxide might've came off from the decomposition of the phenolphthalein.
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smaerd
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Looks like some very charred organic material (phenolphthalein).
Sodium acetate should look more like - http://en.wikipedia.org/wiki/File:Ammonium-acetate.JPG
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copperastic
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It was ammonium acetate.
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copperastic
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Also i added 2 drops of 1 percent solution of phenolphaethlien in isopropanol.
I think I spelled those 2 chemicals wrong...
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thesmug
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Isopropanol is right, phenolphthalien, you replaced the th with aeth
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copperastic
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That's weird it said isopropanol was spelled wrong.
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vmelkon
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So why don't you do the experiment again with the amounts that you know for ammonia and vinegar and this time, don't add the phenolphthalien.
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