FILM SENSORS FOR DETECTING FREE CHLORINE
The present invention discloses a thin reagent containing film sensor for detecting and measuring free chlorine in water, where components of the fil m sensor are a polymeric substrate that contains reactive material, an organ ic polyhydroxy compound, a reagent that creates an associated polymeric m...
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Format: | Patent |
Sprache: | eng ; fre |
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Zusammenfassung: | The present invention discloses a thin reagent containing film sensor for detecting and measuring free chlorine in water, where components of the fil m sensor are a polymeric substrate that contains reactive material, an organ ic polyhydroxy compound, a reagent that creates an associated polymeric matr ix, and an indicator; and a method for making the same. The film sensor can be formed to fit a specific dimension or shape. The film sensor swells or di ssolves when exposed to aqueous solutions so that said reagent is released s o that it can react with free chlorine, or the film sensor swells when expos ed to aqueous solutions so that the aqueous solution diffuses into the film sensor and reacts with said reagent contained within the swollen film sensor . |
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