[Stoves] Drawing down the dung pile

Crispin Pemberton-Pigott crispinpigott at gmail.com
Tue Dec 7 07:57:33 CST 2010


Hang on.

 

>If halogens are present, the flame will turn green.

 

Copper heated to a high temperature always give a green flame. Copper oxide.

 

??

Crispin

 

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