Visible color changes estimation in colorimetric determination of chromium (VI) using polymeric sensors; Acta IMEKO; Vol. 5, iss. 3: Introduction to the Special Section TC21 of the XXI IMEKO World Congress 2015
| Parent link: | Acta IMEKO Vol. 5, iss. 3: Introduction to the Special Section TC21 of the XXI IMEKO World Congress 2015.— 2016.— [P. 95-100] |
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| Співавтор: | |
| Інші автори: | , , , |
| Резюме: | Title screen The paper describes an application of a kind of optical analytical method, digital color analysis (DCA), using colorimetric polymethacrylate sensors (optodes) in order to determine Cr (VI). The optodes are made of optically transparent polymethacrylate matrix (PMM) with 1.5-diphenylcarbazide immobilized. The developed optode can be used in determination of the analytes using solid phase spectrophotometry and calculating color coordinates as functions of absorbance spectra. Also color coordinates can be represented as basic color (e.g. RGB) data after the optode image digitizing. Then one can determine the content of an analyte in a sample by an appropriate color difference calculated for these coordinates. Experimental results of Cr (VI) determination in tap water show that the DCA relative standard deviation is 8-17 % and recovery is < 12 % at the range of determined concentrations 0.05-1.0 mg·L-1. The characteristics are comparable with those of the solid phase spectrophotometry. Режим доступа: по договору с организацией-держателем ресурса |
| Мова: | Англійська |
| Опубліковано: |
2016
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| Предмети: | |
| Онлайн доступ: | http://dx.doi.org/10.21014/acta_imeko.v5i3.409 |
| Формат: | Електронний ресурс Частина з книги |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=653618 |
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| 200 | 1 | |a Visible color changes estimation in colorimetric determination of chromium (VI) using polymeric sensors |f N. A. Gavrilenko [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 330 | |a The paper describes an application of a kind of optical analytical method, digital color analysis (DCA), using colorimetric polymethacrylate sensors (optodes) in order to determine Cr (VI). The optodes are made of optically transparent polymethacrylate matrix (PMM) with 1.5-diphenylcarbazide immobilized. The developed optode can be used in determination of the analytes using solid phase spectrophotometry and calculating color coordinates as functions of absorbance spectra. Also color coordinates can be represented as basic color (e.g. RGB) data after the optode image digitizing. Then one can determine the content of an analyte in a sample by an appropriate color difference calculated for these coordinates. Experimental results of Cr (VI) determination in tap water show that the DCA relative standard deviation is 8-17 % and recovery is < 12 % at the range of determined concentrations 0.05-1.0 mg·L-1. The characteristics are comparable with those of the solid phase spectrophotometry. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | 1 | |t Acta IMEKO | |
| 463 | 1 | |t Vol. 5, iss. 3: Introduction to the Special Section TC21 of the XXI IMEKO World Congress 2015 |v [P. 95-100] |d 2016 | |
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a колориметрическое определение | |
| 610 | 1 | |a хром | |
| 610 | 1 | |a полимерные сенсоры | |
| 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 Muravyov (Murav’ev) |b S. V. |c specialist in the field of control and measurement equipment |c Professor of Tomsk Polytechnic University,Doctor of technical sciences |f 1954- |g Sergey Vasilyevich |3 (RuTPU)RU\TPU\pers\31262 |9 15440 | |
| 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 Sukhanov |b A. V. |c specialist in the field of scientific activity |c Leading expert of Tomsk Polytechnic University, Candidate of chemical sciences |f 1983- |g Aleksey Viktorovich |3 (RuTPU)RU\TPU\pers\31389 |9 15561 | |
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