Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
10410378 | Sensors and Actuators B: Chemical | 2005 | 8 Pages |
Abstract
The sol-gel and CWISE exhibited linear response with Nernstian slope of 29.1 and 28.9 mV/decade, respectively, within the concentration ranges of 5.0 Ã 10â6 to 1.0 Ã 10â1 mol Lâ1 lead ion for sol-gel and coated. The sol-gel and CWISE has shown detection limits of 3.0 Ã 10â6 and 5.0 Ã 10â6 M, respectively. The electrodes exhibited good selectivities over a number of alkali, alkaline earth, transition and heavy metal ions. Those sensors yielded steady potential within 10-20 s at linear dynamic range. The electrodes are suitable for use in aqueous solutions in a wide pH range of 4.0-8.2. Applications of those electrodes for determination of lead in real samples and as indicator electrode for potentiometric titration of Pb2+ ion using K2CrO4 are reported.
Related Topics
Physical Sciences and Engineering
Chemistry
Analytical Chemistry
Authors
M. Mazloum Ardakani, M. Khayat Kashani, M. Salavati-Niasari, A.A. Ensafi,