ISO 1138:2022
International Standard
Current Edition
·
Approved on
17 June 2022
Rubber compounding ingredients — Carbon black — Determination of sulfur content
ISO 1138:2022 Files
English
3 Pages
Current Edition
OMR
21.5
ISO 1138:2022 Scope
This document specifies two methods for the determination of the total sulfur in all types of carbon black for use in the rubber industry:
— Method A, using a combustion furnace;
— Method B, using an automatic analyser.
With respect to safety aspects and test precision, it is preferable to use automatic systems. Method B is therefore the preferred method. Classical chemical analysis (Method A) is acceptable if automatic equipment is not available.
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