A colorimetric sensor based on a polymethacrylate matrix with immobilized 1-(2-pyridylazo)-2-naphthol for the determination of cobalt
| Parent link: | Journal of Analytical Chemistry: Scientific Journal Vol. 70, iss. 12.— 2015.— [P. 1475-1479] |
|---|---|
| Main Author: | Gavrilenko N. A. Natalia Airatovna |
| Corporate Authors: | Национальный исследовательский Томский политехнический университет (ТПУ) Институт неразрушающего контроля (ИНК) Кафедра экологии и безопасности жизнедеятельности (ЭБЖ), Национальный исследовательский Томский политехнический университет (ТПУ) Институт природных ресурсов (ИПР) Кафедра технологии органических веществ и полимерных материалов (ТОВПМ) |
| Other Authors: | Saranchina N. V. Nadezhda Vasilievna, Gavrilenko M. A. Mikhail Alekseevich |
| Summary: | Title screen A colorimetric sensor is proposed for the determination of cobalt. It is prepared by immobilizing 1-(2-pyridylazo)-2-naphthol (PAN) in an optically transparent polymethacrylate matrix. The conditions for determining cobalt by the proposed colorimetric sensor are found in the study of the complexation of cobalt with a PAN-modified polymethacrylate matrix. The determination is based on the interaction of the sensor with a cobalt solution at pH 4 for 5 min, followed by the measurement of absorbance at 620 nm. The sensor ensures the determination of 0.05–0.50 mg/L of cobalt with the detection limit 0.03 mg/L. It is demonstrated that the sensor can be used for the determination of cobalt in the Cyanocobalamin medical preparation and potable water. Режим доступа: по договору с организацией-держателем ресурса |
| Language: | English |
| Published: |
2015
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| Subjects: | |
| Online Access: | http://dx.doi.org/10.1134/S1061934815120060 |
| Format: | Electronic Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=645148 |
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