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ISO 19242:2021

Rubber — Determination of total sulfur content by ion chromatography

Oct 7, 2021

General information

90.93     Jun 15, 2026

ISO

ISO/TC 45/SC 2

International Standard

83.060  

English  

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Scope

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).

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 19242:2015

NOW

PUBLISHED
ISO 19242:2021
90.93 Standard confirmed
Jun 15, 2026