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EN ISO 119:1998

Current

Current

The latest, up-to-date edition.

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

Published date

22-07-1998

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FOREWORD
1 SCOPE AND FIELD OF APPLICATION
2 REFERENCES
3 PRINCIPLE
4 REAGENTS
5 APPARATUS
6 PREPARATION OF TEST SAMPLE
7 PROCEDURE
8 EXPRESSION OF RESULTS
9 TEST REPORT

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.

Committee
CEN/TC 249
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

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