90.93 Standard confirmed Jun 18, 2025
ISO
ISO/TC 61/SC 12 Thermosetting materials
International Standard
83.080.10 Thermosetting materials
Published
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.
PUBLISHED
ISO 119:1977
90.93
Standard confirmed
Jun 18, 2025