ISO 19242:2021

Current Revision
Rubber - Determination of total sulfur content by ion chromatography

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ISO 19242:2021

Rubber - Determination of total sulfur content by ion chromatography

PUBLISH DATE 2021
ISO 19242:2021

This document specifies a method for the determination of the total sulfur content of raw rubber and unvulcanized or vulcanized rubber compounds by ion chromatography following the preparation of a sample solution using either a tubular furnace combustion or an oxygen combustion flask method.

The tubular furnace combustion method is applicable for rubbers with sulfur content less than 0,1 % as it is possible that the oxygen combustion flask method will not give sufficiently accurate results.

The oxygen combustion flask method is not applicable to rubbers containing a metal salt that forms an insoluble metal sulfate, such as barium sulfate (CAS 7727 43 7).

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