Plastiques — Pièces moulées à base de phénoplastes — Dosage des phénols libres — Méthode iodométrique

A semiquantitative method for the determination of the amount of free phenols in phenolic mouldings. Hot water extraction of free phenols from a powdered test portion, iodination of the water extract and backtitration of the excess of iodine with standard volumetric thiosulfate solution.