Résumé
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.
Informations générales
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État actuel: PubliéeDate de publication: 1977-10Stade: Norme internationale confirmée [90.93]
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Edition: 1Nombre de pages: 2
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Comité technique :ISO/TC 61/SC 12ICS :83.080.10
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