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Neutral universal fixer
The simplest and most well-known fixing compound. Sodium thiosulfate. Packaged in 2 bags of 100 g
Suitable for film, photo paper and alternative processes (callitypy, salt printing, Van Dyck brown, etc.)
FOR FILM AND PHOTO PAPER
A 20% solution is used (200 g per 1 liter of water)
Preparation
Dissolve the contents of both bags in 600 ml of water 40-45 °C
After cooling, bring the volume of water to 1 liter
It is better to use distilled water, but boiled or filtered water is suitable (for alternative processes - only distillate).
Processing time (at 20 °C)
Film: 10-12 min.
Photo paper cardboard, FB: 10-15 min.
Photo paper plastic, RC: 7-10 min.
Usage limit (for 1 liter)
10-15 narrow films (type 135) or 30-35 prints 18x24 cm
Do not use the same solution for processing film and paper!
FOR ALTERNATIVE PROCESSES
As a rule, a 5% solution is used (50 g per liter or 1 package per 2 liters of water).
See the corresponding instructions.
Expiration date
In dry form - at least 2 years. Working solution - 3-4 months. Partially used solution - no more than 3 days (in the case of alternative processes - not stored). Store in a cool, dry place in the original packaging or in a tightly closed container without air access. Keep away from the light.
