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Author: Subject: KOH + Mg turnings => potassium metal ?
metalresearcher
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[*] posted on 15-2-2011 at 13:20
KOH + Mg turnings => potassium metal ?


I tried in a steel tube of 25mm diameter and 50mm length and squeezed and weklded together on one side the following:
mixed about 1g KOH flakes with 1g Mg turnings and heated it to dull red hot (600oC).

I saw light purplish light (the K color) coming from the open end of the tube and suddenly white smoke appeared and filled the top half of my fume hood (but driven away by the vent in a few seconds). Then the reaction was over.

Did this tell that some K metal was formed which immediately burned to the white K2O smoke ?

P.S. Wear gloves if you repeat this as tiny droplets of molten lye might spatter on your hands ans NASTY burns occur otherwise. Perform in a fume hood or outdoors (use a face shield in the latter case !).

[Edited on 2011-2-15 by metalresearcher]

[Edited on 2011-2-15 by metalresearcher]
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bfesser
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[*] posted on 15-2-2011 at 14:20


http://www.sciencemadness.org/talk/viewthread.php?tid=14970
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hkparker
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[*] posted on 15-2-2011 at 14:27


There is a massive thread going on about this, not to mention this doesn't belong in reagents and apparatus acquisition... detritus?



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vulture
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[*] posted on 15-2-2011 at 14:47


Please continue the discussion in the aforementioned thread.





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