Screen-printed carbon electrodes (SPCEs), without chemical modi®cation, have been investigated as disposable sensors for the measurement of trace levels of Pb. Cyclic voltammetry was employed to elucidate the electrochemical behavior of Pb at these electrodes in a variety of supporting electrolytes.
Voltammetric Behavior and Trace Determination of Cadmium at a Calixarene Modified Screen-Printed Carbon Electrode
✍ Scribed by K. C. Honeychurch; J. P. Hart; D. C. Cowell; D. W. M. Arrigan
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 658 KB
- Volume
- 14
- Category
- Article
- ISSN
- 1040-0397
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A microwell has been deposited on the working surface of a screen-printed electrode in order to reduce the sample volume from 10 mL to 200 mL for trace metal analysis in square wave anodic stripping voltammetry. It has been shown that the sample volume reduction did not affect the sensitivity. A det
## Abstract A procedure for the differential pulse voltammetric determination of three local anesthetics (Heptacaine, Carbisocaine and Pentacaine) at a screen‐printed electrode surface modified with the dsDNA layer is described. The detection limits obtained after 120 s drug accumulation from 0.01