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Author: Subject: Old Lithium Battery - Still OK for solvated electrons?
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smile.gif posted on 15-8-2005 at 14:06
Old Lithium Battery - Still OK for solvated electrons?


The question was put to me, could lithium strips from discharged (single use) lithium batteries still be used to form solvated electrons? (in conjunction with anhydours ammonia of course)

After searching around I couldn't find a definative answer so I thought I would ask here and see what happened...
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daeron
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[*] posted on 15-8-2005 at 14:45


bad bikini inspector!bad!
sorry got nuffin smart to say here{big grin}
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solo
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[*] posted on 15-8-2005 at 14:50


Quote:
Technically, the birch reaction refers to reduction by sodium dissolved in ammonia.
Lithium/NH3 reduction is not actually a "birch" but for simplicities sake I will refer to
it in this manner.

When lithium is dissolved in ammonia it releases an electron, referred to as a "solvated
electron" . The solvated electron produces a "royal blue" color in the ammonia, which,
depending upon concentration, can appear almost black.


........If the battery shorts it's gone for good... right?

Depends on what you mean by "shorted". If the Li becomes oxidized, then that oxidized
portion is worthless. If the surface of the Li is covered with oxidation, that can be
removed.If it is light oxidation, it will come off when you blot it on the towel before
tossing it into the reaction.


........source , a post by Mr.Clean

http://designer-drugs.com/pte/12.162.180.114/dcd/chemistry/b...

the point is while lithium is in its solid form the actual release of the lithium electrons are still there until dissolved in ammonia...................solo

[Edited on 15-8-2005 by solo]




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