Search found 2 matches
- Thu Nov 05, 2020 2:40 pm
- Forum: Errata
- Topic: Kodak F-24 formula in TDC3 and TDC4
- Replies: 1
- Views: 13965
Kodak F-24 formula in TDC3 and TDC4
The formula for F-24 fixer suggests that substitution of Citric acid for Sodium bisulfite will reduce the odor. DON'T DO IT! Adding 22gm/liter of Citric acid results in the generation of Sulfur dioxide and makes for an extremely unpleasant and genuinely dangerous darkroom experience, especially if y...
- Tue Nov 03, 2020 4:13 am
- Forum: Fixers
- Topic: Question about F-24 formula
- Replies: 0
- Views: 10704
Question about F-24 formula
Formula #138 for Kodak F-24 fixer suggests that "substituting 22.0 grams of Citric acid for the (25.0 grams of) Sodium bisulfite will largely eliminate the fixer odor. Is this really correct? I tried it yesterday and got a really nasty surprise - I think it evolved Sulfur dioxide, which was qui...