Molecular formula :
nature : a photographic chemicals category itself is a weak reducing agent, added to the photographic emulsion or the developer had to rely on their own to prevent oxidation and other chemical oxidation. Emulsion use more anti-oxidants for hydroxy phenol, naphthalene and phenol - benzene sulfonate. Sodium such as benzene extended the life expectancy of photosensitive materials, catechol protect Spectral flu is not oxidation agent. Developering used by the anti-oxidants for more sulfite, salicylic acid and hydroxylamine type derivatives, such as sodium sulfide, hydroxylamine hydrochloride, such as ascorbic acid.
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