Appendix 2 |
Chemicals
Photography, in the fi nal analysis, can be reduced to a few simple principles. But, unlike most arts, it seems complex at the initial approach.
-Ansel Adams, 1948
Most of the chemicals used in black and white processes are safe and biodegradable. A few, such as selenium, pyrogallol, pyrocatechin, sodium hydroxide, and hydrochloric acid, require careful handling and disposal. Throughout The Darkroom Cookbook specific warnings and instructions will be given where appropriate.
Appendix 3: Pharmacopoeia, contains descriptions of chemicals, including most of those used in this book. Knowledge of these chemicals and their use will be of great advantage in manipulating formulas. This chapter is a general overview for those ...
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