View Single Post
Old 2014-09-13, 07:43   #23
Mark Rose
 
Mark Rose's Avatar
 
"/X\(‘-‘)/X\"
Jan 2013

1011001110002 Posts
Default

I'm no chemist, but nickel oxide is green while copper sulphate is blue, so I imagine it's nickel oxide that you're seeing and not copper sulphate.
Mark Rose is offline   Reply With Quote