Sequential injection analysis for mercury ion with modified screen – printed carbon electrode

Authors

• Eakkasit Punrat
• Naphat Piyasart
• Chalinee Auanphui
• Rutanachai Thaipratum
• Shoji Motomizu
• Wanida Wonsawat

Publication Date

2022

Abstract

In this study, we developed a simple high-throughput and cost-effective method for monitoring toxic metal ion in an environmental aqueous sample. Mercury ion determination with Sequential Injection Analysis system (SIAs) coupled with the electrochemical detection on the modified screen-printed carbon working electrode (SPCE) is an alternative green analysis of mercury ion. The gold film was used as the modified material for improved mercury ion analysis in the automated system without memory effect on the electrode. Mercury oxidation signal was found at the potential of 0.7 V in 0.1 M HNO3 and 1.0 M HCl with the concentration low to 0.25 ± 0.18 mg×L-1. Online sample preparation and separation will study in the further experiment.

DOI

10.55713/jmmm.v32i3.1522

First Page

101

Last Page

107

Recommended Citation

Punrat, Eakkasit; Piyasart, Naphat; Auanphui, Chalinee; Thaipratum, Rutanachai; Motomizu, Shoji; and Wonsawat, Wanida (2022) "Sequential injection analysis for mercury ion with modified screen – printed carbon electrode," Journal of Metals, Materials and Minerals: Vol. 32: No. 3, Article 13.
DOI: 10.55713/jmmm.v32i3.1522
Available at: https://digital.car.chula.ac.th/jmmm/vol32/iss3/13