A nitrate sensitive planar optode; performance and interferences

Lasse Pedersen; Arnaud Dechesne; Barth F. Smets

doi:10.1016/j.talanta.2015.07.046

A nitrate sensitive planar optode; performance and interferences

Lasse Pedersen, Arnaud Dechesne, Barth F. Smets

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Abstract

We present a newly developed nitrate sensitive planar optode. It exhibits a linear response to nitrate from 1 to 50 mM at pH 8.0, a fast response time below 10 s and a good lifetime, allowing for fast two dimensional nitrate measurements over long periods of time. Interference from nitrite, chloride and thiocyanate, however, limits the optode's application in environments where these are encountered, notably seawater with its high chloride content.

Original language	English
Journal	Talanta
Volume	144
Pages (from-to)	933-937
Number of pages	5
ISSN	0039-9140
DOIs	https://doi.org/10.1016/j.talanta.2015.07.046
Publication status	Published - 2015

Keywords

Fast response time
Linear response
Planar nitrate sensor
Chemical analysis
Chloride contents
Nitrate sensors
Nitrates

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10.1016/j.talanta.2015.07.046

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abstract = "We present a newly developed nitrate sensitive planar optode. It exhibits a linear response to nitrate from 1 to 50 mM at pH 8.0, a fast response time below 10 s and a good lifetime, allowing for fast two dimensional nitrate measurements over long periods of time. Interference from nitrite, chloride and thiocyanate, however, limits the optode's application in environments where these are encountered, notably seawater with its high chloride content.",

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AU - Dechesne, Arnaud

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AB - We present a newly developed nitrate sensitive planar optode. It exhibits a linear response to nitrate from 1 to 50 mM at pH 8.0, a fast response time below 10 s and a good lifetime, allowing for fast two dimensional nitrate measurements over long periods of time. Interference from nitrite, chloride and thiocyanate, however, limits the optode's application in environments where these are encountered, notably seawater with its high chloride content.

KW - Fast response time

KW - Linear response

KW - Planar nitrate sensor

KW - Chemical analysis

KW - Chloride contents

KW - Nitrate sensors

KW - Nitrates

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DO - 10.1016/j.talanta.2015.07.046

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A nitrate sensitive planar optode; performance and interferences

Abstract

Keywords

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