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Re: "K2O" replace K2SO4

> From: Dennis Chua <dennis_chua at excite_com>
> Subject: K2O replace K2SO4 ?
> I found in a local garden shop selling 1kg package of K2O.

	Whatever this is, it is _not_ K2O.  There is an archaic way
of stating potassium content of fertilisers as an equivalent percentage
of "K2O".  This makes a little sense for, say, K2SO4, which can be thought
of as K2O plus SO3, or KNO3 (K2O + N2O5), but none at all for KCl.
Find out what it is.

Paul Sears        Ottawa, Canada