Water 700 ml
Ammonium thiosulfate soln. (58%) 185 ml
Sodium sulfite, anh. 10 g
Sodium hydrogen sulfite 8.4 g
Water to make 1 l
PH = 6.5 at 27C; density = 1.086
I believe a fixer should be slightly acid for decent longevity in use, but...
Ammonium thiosulfate soln. (58%) 185 ml
Sodium sulfite, anh. 10 g
Sodium hydrogen sulfite 8.4 g
Water to make 1 l
PH = 6.5 at 27C; density = 1.086
I believe a fixer should be slightly acid for decent longevity in use, but...
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