Were equal molar quantities used? Times and temperatures.?
Not knowing the test parameters what are we to make of
those numbers? Dan
The one common salt not listed which I think would be of "great" interest is sodium carbonate. I presume it would rate up there close to the hydroxide.
IIRC, Kodak HCA is sodium sulfite plus sodium bisulfite or some other acidic salt. I presume to lessen the swelling of the gelatin, which will give faster results.
molar. It would be a generalization to say those ph values
hold at higher or lower concentrations. I'd need to run some
numbers but can say now that M/250 is very little chemistry.
Unrealistically little; less than one gram/liter of any of the
chemicals listed. Hard to believe. Explanation?
And effectiveness? How so; maybe half the water or half
the time? Maybe half the remaining hypo using the
same wash procedure?
All in all, just some more information that leaves us
hanging; RE the discussion concerning hypo testing.
I've more to add to that thread. Dan