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Determination of Nitrate and Nitrite in Water by Capillary Electrophoresis: An Undergraduate Laboratory Experiment
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Abstract
Nitrate and nitrite measurements are common tests used to examine drinking water quality. In this report we describe an undergraduate laboratory experiment based on capillary electrophoresis (CE) for the simultaneous analysis of nitrate and nitrite in water samples. This method may be used for analyzing a wide variety of water samples and can serve as a laboratory component in either environmental chemistry or instrumental analysis.
Keywords (Audience):
Second-Year UndergraduateKeywords (Domain):
Environmental ChemistryKeywords (Pedagogy):
Hands-On Learning / ManipulativesKeywords (Subject):
Instrumental MethodsCiting Articles
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This article has been cited by 8 ACS Journal articles (5 most recent appear below).
Capillary Electrophoresis: Focus on Undergraduate Laboratory Experiments
Lisa A. HollandJournal of Chemical Education2011 88 (3), 254-256Capillary Electrophoresis: Focus on Undergraduate Laboratory Experiments
Lisa A. HollandJournal of Chemical Education2011 88 (3), 254-256Capillary electrophoresis is a versatile technique well suited to teach concepts that are fundamental to a chemistry degree program. The applicability of capillary electrophoresis to metabolites, DNA, proteins, pharmaceutical compounds, environmental ...
A Pollutant Transformation Laboratory Exercise for Environmental Chemistry: The Reduction of Nitrobenzenes by Anaerobic Solutions of Humic Acid
Frank M. Dunnivant and Mark-Cody ReynoldsJournal of Chemical Education2007 84 (2), 315A Pollutant Transformation Laboratory Exercise for Environmental Chemistry: The Reduction of Nitrobenzenes by Anaerobic Solutions of Humic Acid
Frank M. Dunnivant and Mark-Cody ReynoldsJournal of Chemical Education2007 84 (2), 315This article presents a laboratory exercise for advanced undergraduate- or graduate-level environmental chemistry in which the student studies the chemical transformation (reduction) of substituted nitrobenzenes by natural organic matter under anaerobic ...
Weak Acid pKa Determination Using Capillary Zone Electrophoresis
Mike SolowJournal of Chemical Education2006 83 (8), 1194Weak Acid pKa Determination Using Capillary Zone Electrophoresis
Mike SolowJournal of Chemical Education2006 83 (8), 1194This article describes a general chemistry experiment designed to measure the pKa of benzoic acid using capillary zone electrophoresis. Despite the fact that modern biology relies so heavily on this analytical technique, students get very little ...
Capillary Electrophoresis Analysis of Cations in Water Samples. An Experiment for the Introductory Laboratory
Christopher J. Pursell , Bert Chandler and Michelle M. BusheyJournal of Chemical Education2004 81 (12), 1783Capillary Electrophoresis Analysis of Cations in Water Samples. An Experiment for the Introductory Laboratory
Christopher J. Pursell , Bert Chandler and Michelle M. BusheyJournal of Chemical Education2004 81 (12), 1783Capillary electrophoresis is gradually working its way into the undergraduate laboratory curriculum. Typically, experiments utilizing this newer technology have been introduced into analytical or instrumental courses. We have introduced an experiment into ...
Using Periodate with Nitrite Solutions for Capillary Electrophoresis
Gregorio CruzJournal of Chemical Education2003 80 (10), 1138Using Periodate with Nitrite Solutions for Capillary Electrophoresis
Gregorio CruzJournal of Chemical Education2003 80 (10), 1138The lack of nitrites in drinking water samples suspected of containing this contamination could be due to their oxidation to nitrates by sodium periodate, a strong oxidizer and internal standard used in sample preparation.
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- Received: August 03, 2009
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