RalphLambrecht
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Ilford PQ-Universal was originally designed for films and papers and Champion Suprol is similar.
I have not tried either for film developing....
What would be the effect of a oxidized PQ developer like this on the negative?
I have been solarizing some negatives lately in my paper solarol develeoper formulation, need to underexpose neg by 1 stop and works nicely for me, but I do not think this is what you are looking for.
If a developer's used highly dilute then any oxidation of a PQ (or MQ) developer will just mean a corresponding amount under-development. In reality this degree of oxidation is over months rather than weeks and in partially full bottles and splitting a developer into smaller containers helps enormously.
Ian
Hi Bob,
Could you share a few details about how you're doing it?? Thanks, Evan Clarke
For those who might be confused due to a difference in terminology....
As I understand it, what Bob refers to as solarization is understood by some as the Sabbatier effect.
I'm not publically taking sides in the discussion about whether one name for that process is more appropriate than the other.
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