Re: Gum hardening -- top down?

From: Christina Z. Anderson ^lt;zphoto@montana.net>
Date: 04/06/06-07:32:37 AM Z
Message-id: <009201c6597e$9cade030$0200a8c0@christinsh8zpi>

Hey, but Terry,
Looking at your website does not answer the question that I asked:

I asked:
"Are you suggesting that too much gum creates a situation wherein the
dichromate will plummet to the surface of the paper and fall out of
solution, or separate somehow from the pigment in suspension? Tell me why
you may suggest this as a reason? What am I missing here?

If it is that you are thinking my solution doesn't have enough fluid in it
to keep the ammonium dichromate suspended, because there is too much gum
solid, mind you I am only using 15% am di which then in my mix becomes a 7%
solution, far below the 30% saturation point."

Please, do tell...
Chris

Terry said:
If the effect you are dscribing is occuring, my reaction is that you are not
achieving the as good a combination of gum, pigment and dichromate as you
could.

You are right in that there is far too much specualtion here. I am afraid
that is too often the kind of speculation that cannot, as you imply, be
taken
seriously. The principles involved are simple as are the techniques needed
to
apply them most effectively. .

My own techniques are set out on my web site.
Terry
Received on Thu Apr 6 07:33:04 2006

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