ISO 19242:2021

Published (Edition 2, 2021)

ISO 19242:2021

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Abstract

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).

General information

Status
: Published

Publication date
: 2021-10

Stage
: International Standard published [60.60]
Edition
: 2

Number of pages
: 15
Technical Committee :
ISO/TC 45/SC 2

ICS :
83.060
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