metalresearcher - 17-12-2011 at 14:14
I tried KNO3 + Al powder and that is very quick.
Here a clip which displays its very fast behavior.
<iframe sandbox width="420" height="315" src="http://www.youtube.com/embed/G85dS2oaKJE" frameborder="0" allowfullscreen></iframe>
However, adding an equal amount of Li2CO3 to make a pink color slows down the rxn considerably and cannot sustain without burner. Less Li2CO3 does not
make the flame pink.
<iframe sandbox width="420" height="315" src="http://www.youtube.com/embed/X2FQbs0I8o0" frameborder="0" allowfullscreen></iframe>