symboom
International Hazard
Posts: 1143
Registered: 11-11-2010
Location: Wrongplanet
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Mood: Doing science while it is still legal since 2010
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Separation of Potassium Hydroxide from zinc powder
before i try it does any one know what will separate the compounds
an alkaline battery contains potassium hydroxide manganese dioxide
and zinc powder in the potassium hydroxide the manganese dioxide is separated from the potassium hydroxide paste with paper if carefully extracted
with a pipe cutter with a new battery they stay in the compartments.
spent alkaline battery contains zinc oxide
not spent has zinc powder still in it
potassium hydroxide combines with zinc or zinc oxide in solution forming
potassium zincate
could these be used without the the potassium hydroxide reacting with the solvent and filtering out the zinc or zinc oxide
acetone
Isopropyl alcohol (salted out water)
denatured ethyl alcohol
i know you can just buy it but all i need is a small amount.
[Edited on 25-9-2011 by symboom]
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LanthanumK
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Registered: 20-5-2011
Location: New Jersey
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For KOH just dissolve it in water. Zincates do not form readily when there is only a dilute solution of potassium hydroxide. Just place all of the
battery components in a moderately large amount of water, agitate, filter, and then you have a KOH solution. Boil it down for a more concentrated
solution. I did that once, but kept it in air so it became completely K2CO3.
hibernating...
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