Solid-Phase Spectrophotometric Iodometric Determination of Nitrite and Selenium(IV) Using a Polymethacrylate Matrix
| Parent link: | Journal of Analytical Chemistry Vol. 72, iss. 5.— 2017.— [P. 546–550] |
|---|---|
| Corporate Authors: | , |
| Other Authors: | , , , |
| Summary: | Title screen Procedures for the iodometric solid-phase spectrophotometric determination of nitrite and selenium( IV) using a polymethacrylate matrix are proposed. The procedures are based on the reaction of nitrite and selenium(IV) with iodine in an acidic medium with the release of free iodine in amounts equivalent to those of the substances to be determined, extraction of the iodine formed with a polymethacrylate matrix, and measurement of absorbance of the matrix at 370 nm. The developed procedures ensure the determination of 0.01–0.12 mg/L of nitrite and 0.05–0.40 mg/L of selenium(IV) with limits of detection of 0.005 and 0.03 mg/L, respectively. It was shown that the proposed procedures can be applied to the determination of selenium(IV) in mineral water and nitrites in vegetables and soil. Режим доступа: по договору с организацией-держателем ресурса |
| Published: |
2017
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| Subjects: | |
| Online Access: | https://doi.org/10.1134/S1061934817030054 |
| Format: | Electronic Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=656302 |
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| 200 | 1 | |a Solid-Phase Spectrophotometric Iodometric Determination of Nitrite and Selenium(IV) Using a Polymethacrylate Matrix |f N. A. Gavrilenko [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: p. 550 (16 tit.)] | ||
| 330 | |a Procedures for the iodometric solid-phase spectrophotometric determination of nitrite and selenium( IV) using a polymethacrylate matrix are proposed. The procedures are based on the reaction of nitrite and selenium(IV) with iodine in an acidic medium with the release of free iodine in amounts equivalent to those of the substances to be determined, extraction of the iodine formed with a polymethacrylate matrix, and measurement of absorbance of the matrix at 370 nm. The developed procedures ensure the determination of 0.01–0.12 mg/L of nitrite and 0.05–0.40 mg/L of selenium(IV) with limits of detection of 0.005 and 0.03 mg/L, respectively. It was shown that the proposed procedures can be applied to the determination of selenium(IV) in mineral water and nitrites in vegetables and soil. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Journal of Analytical Chemistry | ||
| 463 | |t Vol. 72, iss. 5 |v [P. 546–550] |d 2017 | ||
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| 701 | 1 | |a Gavrilenko |b N. A. |c chemist |c Associate Professor of Tomsk Polytechnic University, Candidate of chemical sciences |f 1970- |g Natalia Airatovna |3 (RuTPU)RU\TPU\pers\31394 | |
| 701 | 1 | |a Saranchina |b N. V. |c chemist |c Associate Professor of Tomsk Polytechnic University, Candidate of chemical sciences |f 1982- |g Nadezhda Vasilievna |3 (RuTPU)RU\TPU\pers\31395 |9 15567 | |
| 701 | 1 | |a Fedan |b D. A. |g Dmitry Andreevich | |
| 701 | 1 | |a Gavrilenko |b M. A. |c Chemist |c Associate Professor of Tomsk Polytechnic University, Candidate of chemical sciences |f 1971- |g Mikhail Alekseevich |3 (RuTPU)RU\TPU\pers\33857 |9 17446 | |
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