Microchemical Journal, volume 145, pages 729-736

Determination of iodide based on dynamic gas extraction and colorimetric detection by paper modified with silver triangular nanoplates

Gorbunova M A 1, 2
Baulina Anastasiya A 3
Kulyaginova Margarita S 1
Garshev Alexey V. 5
Publication typeJournal Article
Publication date2019-03-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor4.8
ISSN0026265X
Spectroscopy
Analytical Chemistry
Abstract
Abstract This paper reports on a new method for sensitive and selective determination of iodide based on dynamic gas extraction with air flow and digital colorimetric detection using paper modified with silver triangular nanoplates (AgTNPs). Iodide is oxidized in a sample by Fe(III) to produce molecular iodine which is extracted in air flow and transferred to a sensitive AgTNPs-containing paper layer. Interaction of AgTNPs with iodine results in optical changes which can be monitored by ordinary scanner. The high selectivity of dynamic gas extraction to volatile compounds ensures successful analysis of such samples as cranberry and kelp with no sample pretreatment, and due to the sensitivity of AgTNPs good analytical performance can be achieved. The limit of detection of iodide was found to be of 0.01 mg L−1 and the determination range of 0.03–0.3 mg L−1. The method can be easily adapted to simultaneous determination of iodide/iodine and iodide/chloride in the same sample.

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Gorbunova M. A. et al. Determination of iodide based on dynamic gas extraction and colorimetric detection by paper modified with silver triangular nanoplates // Microchemical Journal. 2019. Vol. 145. pp. 729-736.
GOST all authors (up to 50) Copy
Gorbunova M. A., Baulina A. A., Kulyaginova M. S., Apyari V., Tolmacheva V. V., Garshev A. V., Dmitrienko S. Determination of iodide based on dynamic gas extraction and colorimetric detection by paper modified with silver triangular nanoplates // Microchemical Journal. 2019. Vol. 145. pp. 729-736.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/J.MICROC.2018.11.046
UR - https://doi.org/10.1016%2FJ.MICROC.2018.11.046
TI - Determination of iodide based on dynamic gas extraction and colorimetric detection by paper modified with silver triangular nanoplates
T2 - Microchemical Journal
AU - Gorbunova, M A
AU - Baulina, Anastasiya A
AU - Kulyaginova, Margarita S
AU - Apyari, Vladimir
AU - Tolmacheva, Veronika V.
AU - Garshev, Alexey V.
AU - Dmitrienko, S
PY - 2019
DA - 2019/03/01 00:00:00
PB - Elsevier
SP - 729-736
VL - 145
SN - 0026-265X
ER -
BibTex
Cite this
BibTex Copy
@article{2019_Gorbunova,
author = {M A Gorbunova and Anastasiya A Baulina and Margarita S Kulyaginova and Vladimir Apyari and Veronika V. Tolmacheva and Alexey V. Garshev and S Dmitrienko},
title = {Determination of iodide based on dynamic gas extraction and colorimetric detection by paper modified with silver triangular nanoplates},
journal = {Microchemical Journal},
year = {2019},
volume = {145},
publisher = {Elsevier},
month = {mar},
url = {https://doi.org/10.1016%2FJ.MICROC.2018.11.046},
pages = {729--736},
doi = {10.1016/J.MICROC.2018.11.046}
}
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