Van Dyke
REF #33
5
1
Operating procedure
This version does not use oxalic acid, which makes the result more unpredictable.
It also requires longer exposure.
The colour is much more chocolatey, and the image is clearer too.
All under a safelight:
1. Mix the citrate and nitrate.
2. Spread the mixture onto the paper.
3. Expose (8 min).
4. Wash for 30+30 seconds.
5. Fixer bath for 30 seconds.
6. Wash for 30+30+30 seconds.
It also requires longer exposure.
The colour is much more chocolatey, and the image is clearer too.
All under a safelight:
1. Mix the citrate and nitrate.
2. Spread the mixture onto the paper.
3. Expose (8 min).
4. Wash for 30+30 seconds.
5. Fixer bath for 30 seconds.
6. Wash for 30+30+30 seconds.