A microfluidic chip for sensing active chlorine and chloramines in swimming pools

Craig Priest; Sait Elmas; Vasil Vasilev; Thomas Nann

A microfluidic chip for sensing active chlorine and chloramines in swimming pools

Craig Priest, Sait Elmas, Vasil Vasilev, Thomas Nann

Research output: Contribution to conference › Paper › peer-review

Abstract

A microfluidic platform consisting of four-layer glass chip was designed and fabricated for the photometric detection of active (hypochlorous acid) and bound (chloramine) chlorine in swimming pools. The microfluidic chip enables separate interrogation of the chemical reactions of active and bound chlorine with the same organic dye, methyl orange. The downstream-addition of a catalyzing agent allows the quantification of both chlorine residuals to be distinguished kinetically. Potential inaccuracies due to variable pH were eliminated by using the isosbestic point of methyl orange.

Original language	English
Pages	1338-1339
Number of pages	2
Publication status	Published - 1 Jan 2016
Event	MicroTAS 2016 - Duration: 9 Oct 2016 → …

Conference

Conference	MicroTAS 2016
Period	9/10/16 → …

Keywords

Active chlorine
Bound chlorine
Chloramines
Microfluidics
Swimming pools

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title = "A microfluidic chip for sensing active chlorine and chloramines in swimming pools",

abstract = "A microfluidic platform consisting of four-layer glass chip was designed and fabricated for the photometric detection of active (hypochlorous acid) and bound (chloramine) chlorine in swimming pools. The microfluidic chip enables separate interrogation of the chemical reactions of active and bound chlorine with the same organic dye, methyl orange. The downstream-addition of a catalyzing agent allows the quantification of both chlorine residuals to be distinguished kinetically. Potential inaccuracies due to variable pH were eliminated by using the isosbestic point of methyl orange.",

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AU - Priest, Craig

AU - Elmas, Sait

AU - Vasilev, Vasil

AU - Nann, Thomas

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N2 - A microfluidic platform consisting of four-layer glass chip was designed and fabricated for the photometric detection of active (hypochlorous acid) and bound (chloramine) chlorine in swimming pools. The microfluidic chip enables separate interrogation of the chemical reactions of active and bound chlorine with the same organic dye, methyl orange. The downstream-addition of a catalyzing agent allows the quantification of both chlorine residuals to be distinguished kinetically. Potential inaccuracies due to variable pH were eliminated by using the isosbestic point of methyl orange.

AB - A microfluidic platform consisting of four-layer glass chip was designed and fabricated for the photometric detection of active (hypochlorous acid) and bound (chloramine) chlorine in swimming pools. The microfluidic chip enables separate interrogation of the chemical reactions of active and bound chlorine with the same organic dye, methyl orange. The downstream-addition of a catalyzing agent allows the quantification of both chlorine residuals to be distinguished kinetically. Potential inaccuracies due to variable pH were eliminated by using the isosbestic point of methyl orange.

KW - Active chlorine

KW - Bound chlorine

KW - Chloramines

KW - Microfluidics

KW - Swimming pools

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