Journal
PRZEMYSL CHEMICZNY
Volume 102, Issue 9, Pages 912-915Publisher
WYDAWNICTWO SIGMA-NOT SP ZOO
DOI: 10.15199/62.2023.9.6
Keywords
thallium; differential pulse anodic stripping voltammetry; cross-linked starch; silver nanoparticles
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By covering a glassy carbon electrode with a composite, the electrode's performance is improved, resulting in lower detection limits, repeatability of results, and reduced measurement time.
A glassy carbon (GCE) electrode was covered with a composite prepd. by mixing the ammoniacal Ag complex with cross-linked starch derivs. and then was dried. The characteristics of the modified electrode were studied using the differential pulse voltammetry (DPASV) technique. A 0.2 M EDTA soln. was used as the base electrolyte. The modified electrode showed lower detection limits, repeatability of results and reduced measurement time, it could work over long distances, did not require long concn. times, did not wear out, was non-toxic and environmentally safe.
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