This part of ISO 6528 specifies a sodium peroxide fusion method for the determination of the total sulfur content of rubber. This method is applicable for the determination of all the sulfur present in a rubber or rubber product, including that contained in barium sulfate which may be used as a filler.
It is applicable to NR, CR, SBR, BR, IR, EPDM, NBR and ebonite.1)
DS/ISO 6528/2:1984 history
1984DS/ISO 6528/2:1984 Rubber. Determination of total sulfur content. Part 2: Sodium peroxide fusion method