On Wed, 26 Dec 2001, Patrick Clark wrote:
> Why would someone (Kemal) put a hardener (thymol) in their mix. My
> understanding is that this would be used only to preserve or harden. And we
> dont want the gelatin mix on the tissue to be hardened. I understand the
> amount he is using is very small. Probably has little or no effect as a
> hardener, but, then why?
I've heard people say that the addition of a small amount of Thymol helps
prevent the formation of bubbles. I'm guessing it acts as a surfacant,
but have never actually tried it. May also act as a preservative in the
long run, providing that it doesn't get washed out during the development.
- Wayde
(wallen@lug.boulder.co.us)
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ISART 2002
International Symposium on Advanced Radio Technologies
http://www.its.bldrdoc.gov/meetings/art/index.html
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Received on Wed Dec 26 17:05:14 2001
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