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chemical functions

dev. and fix. chemical functions

Phenidone works quickly to produce white tones
Hydroquinone works slowly producing black tones
Sodium carbonate controls pH and swells the gelatin
Glutaraldehyde controls emulsion swelling and enhances archival quality
Sodium sulfite controls oxidation, maintains balance
Chelates removes metallic impurities, stabilizes developing agent
potassium bromide anti-fog agent, protects unexposed crystals
ammonium thiosulfate removes undeveloped silver bromide from the emulsion
acetate maintains proper pH
potassium alum stiffens and shrinks the emulsion
sodium sulfite maintains chemical balance
boric acids removes aluminum ions
acetic acid neutralizes and stops the developer
boric acids remove aluminum ions
Created by: annaluz87