From: William Marsh (redcloud54@earthlink.net)
Date: 05/31/02-11:45:46 PM Z
I also have used AA's method to intensify negs.  After some testing,
plotted curves revealed that it is not necessary to use as strong a
solution as Ansel recommends.  In fact, it is possible to obtain
equivalent intensification using a solution as dilute as 1:10
(selenium/hypo clear).  The same boost in contrast (one grade,
basically) was  achieved, with greater economy.  More dilution than this
tended to lessen the effect.
FWIW,
Bill
Jeff Sumner wrote:
> 
> Anyone ever use it on negatives for POP? I know that many standard films
> have too short a range but I was curious if Selenium intensifier would help
> (A.A. mentions it in his literature). I'd also like to give it a go on
> Polariod 55 to see if I can get the density up a bit.
> 
> JD
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