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A. Krysztafkiewicz, L. Domka


Application of thin-layer chromatography to the dete rmination of chemically unbonded sulphur

in rubber vulcanizates and mixtures


Polimery 1982, No 11, 437



DOI: dx.doi.org/10.14314/polimery.1982.437

Summary

The methods of determination of sulphur in rubber vul- canizates and mixtures by thin-layer chromatography (TLC) and sulfite titration have been compared. The TCL method is more accurate, easier and less time-consuming than the classical sulfite method. The curing times have also been compared based on the determinations of free sulphur oy the TCL methods with those determined by means of a rheometer as well as those based on the mechanical pro­perties of vulcanizates.


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