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Topic: Buying salt bridge  (Read 11926 times)

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Offline coolestsoul

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Buying salt bridge
« on: April 27, 2009, 06:59:22 PM »
Hi guys,

I am trying to make an electrochemical cell composed of two half cells. The two half cells need to be connected using a salt bridge. I was wondering where could I buy a salt bridge that I could use. Please let me know. Your help will be really appreciated.

Regards.

p.s. If you think that the only way to use a salt bridge is to make one in the lab, please let me know if you know how to do so.
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Offline Mitch

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Re: Buying salt bridge
« Reply #1 on: April 27, 2009, 07:33:59 PM »
Do not post the same topic on multiple forums!
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Offline Arkcon

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Re: Buying salt bridge
« Reply #2 on: April 27, 2009, 07:38:47 PM »
Do you have a text book handy with a diagram?  Failing that, can you figure it out from the wikipedia page? http://en.wikipedia.org/wiki/Electrochemical_cell
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Offline ARGOS++

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Re: Buying salt bridge
« Reply #3 on: April 27, 2009, 07:42:16 PM »

Dear coolestsoul;

I don’t believe you can easily buy them for several reasons.

Why not do it by yourself?  See on:
                  http://www.chemicalforums.com/index.php?topic=31402.0  

Good Luck!
                    ARGOS++
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Offline Acid_Guru

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Re: Buying salt bridge
« Reply #4 on: May 25, 2009, 11:24:22 PM »
A soaked piece of paper will do, cheap, effective, and easy.
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Offline 408

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Re: Buying salt bridge
« Reply #5 on: May 25, 2009, 11:33:36 PM »
Bend a glass tube into a U-shape.  Fill with 1M KNO3 solution.  Cotton wad the ends.  Invert between two beakers.  Stereotypical salt bridge appearance.
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