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ISO 119:1977

Plastics — Phenol-formaldehyde mouldings — Determination of free phenols — Iodometric method ISO 119:1977

Publication date:   Oct 1, 1977

General information

90.93 Standard confirmed   Mar 4, 2020

ISO

ISO/TC 61/SC 12 Thermosetting materials

International Standard

83.080.10   Thermosetting materials

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO 119:1977
90.93 Standard confirmed
Mar 4, 2020