A plea to Matthew McCann...
Can you turn off your sentence chopper when you send to this list?
For me, not being exclusively an intellectual person, the visual chopping
tends to chop up the sense of the post as well. You tend to post things
which are difficult enough for some of us to follow, why make it harder?
(Don't get mad, you can see that I value your posts enough to read them ;-))
Thanks,
Dan
CS>Settling?
* From: Matthew McCann (view other messages by this author)
* Date: Tue, 14 Sep 2004 07:23:03
Other terms have been used - aging,
curing,
etc.
The term stabilizing goes back a long
way. In
1919
Searle used it in the chapter on the
preparation
of
colloidal sols in his text The Use Of
Colloids
In
Health And Disease. He wrote on page
55:
"The stabilizing or protecting of a
colloidal sol
depends
on its being in a state of equilibrium
between the
forces
tending to cause these small particles
to
coalesce
(surface tension) and those tending to
cause
dispersion
of the colloid throughout the medium.
Stability
appears
to be due, in most cases, to a union of
the
particles
to be stabilized with those of the
protective
colloid or
with ions which have the stabilizing
action.
Zsigmondy
maintains that stability is wholly due
to the
equilibrium
between the adsorption and dissociation
of ions
by
colloidal particles."
Matthew
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