wiki:darkroom:chemistry:formulas:stop
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Table of Contents
Stop bath's
Acetic stop
For prints and film.
Acetic stop, approx 1% Non-hardening acidic stop bath.To mix from acetic acid 24% (common in Swedish grocery stores).
| Final vol. | Acetic | Water |
|---|---|---|
| 1000 ml | 40 ml | 960 ml |
| 600 ml | 25 ml | 575 ml |
(instructions on how to mix may fit here)
Treat prints for approx 15 sec. Capacity is approx 15 prints (24x30cm) per liter.
Toning
To stop post-toning when using sepia and polysulfide toners such as Viradon
| Natriumsulfit | 10 \% |
or alternatively
| Kodak HCA | approx 2\% |
Notes
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wiki/darkroom/chemistry/formulas/stop.1652208743.txt.gz · Last modified: 2022/05/10 20:52 by henpe