ISO 20163:2019

Vulcanized rubber — Determination of free sulfur by gas chromatography (GC) and high performance liquid chromatography (HPLC)

Publication date:   Jul 24, 2019

General information

90.60   Close of review   Jun 4, 2024

ISO

ISO/TC 45/SC 2 Testing and analysis

International Standard

83.060   Rubber

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Scope

This document specifies chromatographic methods for the determination of the inorganic free sulfur (Sx) not consumed during the vulcanization of the rubber. This method is used primarily to compare the free sulfur content in different samples.
NOTE 1 In this document, "free sulfur" is used instead of "inorganic free sulfur".
NOTE 2 The residual curing agent containing sulfur is not concerned by this measure.

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PUBLISHED
ISO 20163:2019
90.60 Close of review
Jun 4, 2024