Title:
Determination of Nitrate-Nitrogen in Water Using a Coated Wire Electrode
Determination of Nitrate-Nitrogen in Water Using a Coated Wire Electrode
Author(s)
Goodroad, L. L.
Shuman, Larry M.
Pitts, R. B.
Shuman, Larry M.
Pitts, R. B.
Advisor(s)
Editor(s)
Hatcher, Kathryn J.
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Abstract
Monitoring nitrate (N0 [3]) in water has
important implications to public health and
environmental quality. Of the analytical
methods available, ion selective electrodes
have potential for simple, rapid determination of N0[3] concentrations in water. Use of ion selective electrodes has been limited due to interference by a variety of ions, relatively high detection limits, and short operational lifetimes (Tabatabi and Dick, 1983). According to Langmuir and Jacobson (1970) chloride (Cl) and bicarbonate (HC0[3]) were the chief interfering anions in most waters when using a commercially available liquid junction N0[3] specific electrode. Lee et al (1986) described a procedure for making coated wire nitrate-selective electrodes. In this paper, we report the characteristics of the coated wire N0[3] selective electrode and the possible application to N0[3] analysis in
water.
Sponsor
Sponsored by U.S. Geological Survey, Georgia Department of Natural Resources, the University of Georgia, Georgia State University, and Georgia Institute of Technology.
Date Issued
1989-05
Extent
Resource Type
Text
Resource Subtype
Proceedings