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Author: Subject: Thermochemical sodium?
Formatik
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[*] posted on 18-6-2010 at 18:54


Quote: Originally posted by Formatik  
... KN3 can be used to get potassium, but it explodes if overheated (this can sometimes be as low as 100ยบ).


This is an error on my part, sorry I haven't corrected until now, from Gmelin: upon careful heating, KN3 melts, and then decomposes at 355 C. Some have noted decomposition started at 320 C already. Others finding at 360 C to give a steady gentle release of N2, then KN3 can be overheated by up to over 100 C, at which point usually explosive decomposition occurs.
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