Barek, Jiri ; Civisova, Dagmar ; Ghosh, Ashutosh ; Zima, Jiri (1990) The polarographic and voltammetric determination of 2,6-dichloro-4-nitro-2'-acetylamino-4'-diethylaminoazobenzene Collection of Czechoslovak Chemical Communications, 55 (2). pp. 379-390. ISSN 0010-0765
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Official URL: http://cccc.uochb.cas.cz/55/2/0379/
Related URL: http://dx.doi.org/10.1135/cccc19900379
Abstract
The polarographic reduction of the title azo dye has been studied, a mechanism has been proposed and optimal conditions have been found for its analytical use. The detection limit using a classical dropping mercury electrode was 2 . 10-7 mol l-1 for TAST polarography and 1 . 10-8 mol l-1 for differential pulse polarography. Using a hanging mercury drop electrode, the detection limit was 9 . 10-9 mol l-1 for fast scan differential pulse voltammetry and 1 . 10-8 mol l-1 for linear scan voltammetry. Adsorption accumulation of the test substance on the surface of the hanging mercury drop electrode led to a further decrease in the detection limit to 1 . 10-9 mol l-1 for fast scan differential pulse voltammetry and 7 . 10-10 mol l-1 for linear scan voltammetry.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Institute of Organic Chemistry & Biochemistry. |
| ID Code: | 108488 |
| Deposited On: | 13 Oct 2017 12:40 |
| Last Modified: | 13 Oct 2017 12:40 |
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