Abstract / scope
The method can be applied to samples containing hydroquinone in the concentration range of 200 to 4000 g/l. Aminophenols and phenylenediamines should also be determined by this method.
ISO 7760:1986Withdrawn
Photographic processing waste — Determination of hydroquinone content — Spectrophotometric method
Déchets des traitements photographiques — Dosage de l'hydroquinone — Méthode spectrophotométrique
This edition has been replaced by ISO 7760:2001.