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Current Analytical Chemistry


ISSN (Print): 1573-4110
ISSN (Online): 1875-6727

Research Article

Assay of Trace Copper Ion in Water Resources Using a Photo-sensing Diode Circuit

Author(s): In Hea Cho, Kwang Jin Choi, Jong Wan Choi, Kyung Lee, Suw Young Ly*, Ah Young Kwak and Lee Joo Youb*

Volume 18, Issue 10, 2022

Published on: 27 October, 2022

Page: [1086 - 1091] Pages: 6

DOI: 10.2174/1573411018666220819094119

Price: $65


Background: In this study, trace copper plays an important role in plant growth and is a biological component of various enzymes involved in both photosynthesis and plant respiration.

Objective: Electrochemical voltammetric bioassay of trace copper ion was detected using photo-sensing diode circuits (PSD) with working sensors for ppb levels trace detection in agricultural water by stripping and cyclic voltammetry.

Results: Optimum voltammetric conditions were examined. The system used was simple and utilized inexpensive circuits of our fabricated systems; however, a low detection limit was attained at 40.0 ugL-¹.

Conclusion: The developed technique can be used in determining trace amounts of copper, especially in agricultural water resources.

Keywords: Photo, diode, copper, detection, voltammetry, waste water.

Graphical Abstract

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