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Old March 29th 06, 08:23 AM posted to rec.photo.darkroom
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Default Warm tone papers and developers

On Tue, 28 Mar 2006 22:59:31 -0500, "Lew" wrote:

(Begging the question: what does metol do?)


It help initiate the development (reduction) cascade. It also enables
processing at lower temperature than possible with most other
chemicals. Lastly, it help develop film speed by raising the to of the
film.

==
John S. Douglas
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