Polysulfide measurement methods using colorimetric techniques

Details Polysulfide measurement methods using colorimetric techniques Polysulfide measurement methods using colorimetric techniques

D - Textiles, Paper

21

C

D21C 11/00 (2006.01) C01B 17/34 (2006.01) D21C 11/02 (2006.01)

Patent

CA 2473507

Methods of converting a sulfide in a composition to polysulfide are described, one method comprising the steps of exposing the composition to conditions and for a time sufficient to cause conversation of at least a portion of the sulfide, to polysulfide to form a modified composition; and controlling the conversation to polysulfide by measuring a color parameter of the modified composition.

L'invention concerne des procédés de conversion d'un sulfure d'une composition en polysulfure, un procédé consistant à exposer la composition dans des conditions et pendant une durée suffisante pour induire la conversion d'au moins une partie du sulfure en polysulfure, de manière qu'une composition modifiée soit formée ; et à contrôler la conversion en polysulfure par la mesure du paramètre de couleur de la composition modifiée.

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