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Re: Colour of K2SO4
> From: Stephen Boulet <stepheb at comm_mot.com>
> Subject: Color of K2SO4
> Can someone refresh my memory. I have a source of potassium and a source of
> nitrates; one is white and the other ochre (or pink, or coral, or whatever). Which
> is which?
Potassium sulphate is colourless, as is potassium nitrate. The ochre
one is low purity stuff. If you have a nitrate test kit, make a dilute
solution of each, and test them.
Paul Sears Ottawa, Canada