From: Judy Seigel (jseigel@panix.com)
Date: 11/17/02-04:47:21 PM Z
On Sun, 17 Nov 2002, Katharine Thayer wrote:
> ... Yes, at the same %
> solution they act about the same, so what? The important point is that
> at their maximum concentrations, they are different.
No, the "important point" is that a beginner doesn't know about "maximum
concentrations" or difference in solubility and takes the descriptions as
characteristic of the chemicals themselves....
It's also useful to know that varying strength (by dilution) of dichromate
in an emulsion is yet another gum control.
J.
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