Nghiên cứu tính chất điện hoá và khảo sát khả năng phát hiện hợp chất sunphit trong môi trường
Tóm tắt
This paper presents the most recent results of reduction of sulfide at glassy carbon and carbon fiber microelectrodes. The enhancement in the reductive current recorded in the presence of sulfide in sulfuric acid 0.05 M, allowed linear ranges up to 8.8 ppm for sulfide detection to beachieved. Furthermore, the use of voltammetry produced a limit of detection of 0.14 ppm at carbon fiber microeiectrode plated mercury and 0.19 ppm at bare carbon fiber microeiectrode. This opens a possibility to directly detect sulfide in the environment using microeiectrode combined voltammetry technique