From: Ed Buffaloe (EdBuffaloe@unblinkingeye.com)
Date: 01/01/02-05:26:59 PM Z
The formula was posted incorrectly on my site. I had reproduced the formula
as it appeared in Post-Factory Photography. Sandy gave me the correction
quite some time ago. I recall making the change, but at one point the site
became corrupted and I had to rebuild from old files, so the error crept in
again. My apologies.
Ed Buffaloe
http://unblinkingeye.com
Sandy,
The metol formulation I use (pieced together from info on
unblinkingeye.com) contains considerably less metol (not 10x the phenidone
amount) than what you state below. The formulas on the unblinkingeye site
give 0.2 g phenidone or 0.25 g metol per 100 mL of the respective solution
A.
Is there a typo somewhere or have you increased the amount of metol you
recommend. I don't have your original Postfactory article. My solution A
with 0.25 g metol per 100 mL of solution A works fine. I'm assuming that
the catechol continually regenerates oxidized metol in the usual
"superadditive" manner.
Linas
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