From: Sandy King (firstname.lastname@example.org)
Date: 05/27/00-09:25:07 AM Z
Sil Horwitz wrote:
>Because it is so much more expensive, there are only two major
>reasons for using pot carbonate over the sodium salt: (1) solubility
>is greater, so superconcentrated solutions are possible, and (2)
>when a formula contains all other salts in the potassium form,
>sodium compounds may change the overall ionic reaction.
Actually there appears to be very little difference in price between
potassium carbonate and sodium carbonate, if you buy from places like
Formulary, Artcraft and Bryant Laboratory. I just compared prices of
the two carbonates in recent catalogs from these suppliers and they
are virtually the same for the two forms of the carbonate.
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