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Topic: Isolating Hydroxide?, please help  (Read 1869 times)

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DaveCBwfc

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Isolating Hydroxide?, please help
« on: May 01, 2013, 07:08:01 PM »
This is my first time posting on this forum. I am a chemistry student as well as a hobbyist.

I was wondering if anyone could get me started on the right approach.

For some time now I've been contemplating how to produce a negatively charged solution for one of my projects.

The best way I can think of producing such a solution is by dissolving a strong base such as KOH or NaOH in DI water and then trying to isolate the hydroxide by removing the conj. acids. I've been trying to think about how I could remove the cations by forming a precipitate but I can't think of a situation where I wouldn't be simple replacing the cations with another species of cations.

I was also thinking about trying to manipulate it with electrostatics.

Another idea is a weak acid strong base solution. Hydrolysis should yield a surplus of hydroxide but I'm not sure if this will produce a net negative solution? and disturbing the equilibrium seems to be another problem.

I'm just about to finish gen chem.II so please don't be to hard on me. Other than that, I would really appreciate some input and guidance/ideas
Thanks!
   

Offline Dan

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Re: Isolating Hydroxide?, please help
« Reply #1 on: May 02, 2013, 02:47:55 AM »
You are unlikely to succeed, the energy required is vast.

See: http://www.chemicalforums.com/index.php?topic=67774
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