• There are no items in your cart

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

Sorry this product is not available in your region.

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

ISO 648:2008 Laboratory glassware — Single-volume pipettes
ISO 565:1990 Test sieves — Metal wire cloth, perforated metal plate and electroformed sheet — Nominal sizes of openings
ISO/R 385:1964 Burettes

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.