Rumlova, Tereza and Barek, Jiri and Matysik, Frank-Michael (2015) Voltammetric Determination of 8-Nitroquinoline Using a Silver Solid Electrode and Its Application to Model Samples of Drinking and River Water. ELECTROANALYSIS, 27 (2). pp. 510-516. ISSN 1040-0397, 1521-4109
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This work is focused on the application of a silver solid electrode (AgE) for the development of modern voltammetric methods for the determination of submicromolar concentrations of biologically active compounds present in the environment. 8-Nitroquinoline (8-NQ), a well-known chemical carcinogen, was chosen as a model substance. Differential pulse voltammetry (DPV) was used to study electrochemical behavior of 8-NQ in different aqueous matrices. The following optimal conditions for determination of 8-NQ in the concentration ranges from 2 to 100 mu molL(-1) were used: Britton-Robinson (BR) buffer of pH 3.0, the regeneration potentials cycles (E-in=-1000 mV, E-fin=-100 mV) and constant cleaning potential -2000 mV. Practical applicability of AgE for the determination of micromolar concentrations of 8-NQ was verified on model samples of drinking and river water.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | POLYCYCLIC AROMATIC-HYDROCARBONS; DROPPING MERCURY-ELECTRODE; CHEMICAL CARCINOGENS; AMALGAM ELECTRODES; CATALYTIC WAVES; DERIVATIVES; REDUCTION; QUINOLINE; 3-AMINOQUINOLINE; NITROQUINOLINES; Silver solid electrode; Differential pulse voltammetry; 8-Nitroquinoline; Drinking water; River water |
| Subjects: | 500 Science > 540 Chemistry & allied sciences |
| Divisions: | Chemistry and Pharmacy > Institut für Analytische Chemie, Chemo- und Biosensorik > Instrumentelle Analytik (Prof. Frank-Michael Matysik) |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 25 Jul 2019 07:11 |
| Last Modified: | 25 Jul 2019 07:11 |
| URI: | https://pred.uni-regensburg.de/id/eprint/6027 |
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