Solid phase colorimetric determination of iodine in food grade salt using polymethacrylate matrix.

Iodine / analysis Limit of Detection Polymethacrylic Acids / chemistry Salts / chemistry Solid Phase Extraction Spectrophotometry
Colorimetric sensor Food grade salt Iodide Iodine Solid phase spectrophotometry

Journal

Food chemistry
ISSN: 1873-7072
Titre abrégé: Food Chem
Pays: England
ID NLM: 7702639

Informations de publication

Date de publication:
15 May 2019
Historique:
received: 04 05 2018
revised: 17 11 2018
accepted: 09 12 2018
entrez: 16 1 2019
pubmed: 16 1 2019
medline: 21 3 2019
Statut: ppublish

Résumé

A novel colorimetric sensor has been proposed for sensitive and accurate detection of iodine forms using polymethacrylate matrix, which also has the outlook for use with samples without pre-treatment and is suitable to fit in a portable instrument for in situ iodine analysis. This determination method is based on interaction of polymethacrylate matrix with iodine forms followed by measurement of absorbance at 370 nm. The principle of this colorimetric sensor is not ordinary colorimetry, but a new colorimetric strategy that combines solid phase extraction and spectrophotometric determination of a target substance following completion of the color change processes. This method ensures determination of 0.05-80.0 µg·g

Identifiants

DOI: 10.1016/j.foodchem.2018.12.037 PMID: 30642481
pubmed: 30642481
pii: S0308-8146(18)32141-1
doi: 10.1016/j.foodchem.2018.12.037
pii:
doi:

Substances chimiques

Polymethacrylic Acids 0
Salts 0
polymethacrylic acid 25087-26-7
Iodine 9679TC07X4

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

15-19

Informations de copyright

Copyright © 2018 Elsevier Ltd. All rights reserved.

Auteurs

Nataliya A Gavrilenko (NA)

Department of Chemical Engineering, Tomsk Polytechnic University, 634050 Tomsk, Russia. Electronic address: glenke@tpu.ru.

Dmitrii A Fedan (DA)

Department of Analytical Chemistry, Tomsk State University, 634050 Tomsk, Russia. Electronic address: dce@mail.ru.

Nadezhda V Saranchina (NV)

Department of Analytical Chemistry, Tomsk State University, 634050 Tomsk, Russia. Electronic address: dce@mail.ru.

Mikhail A Gavrilenko (MA)

Department of Chemical Engineering, Tomsk Polytechnic University, 634050 Tomsk, Russia. Electronic address: glenke@tpu.ru.

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Classifications MeSH

questionsmedicales.fr › Produits chimiques inorganiques › Éléments › Halogènes › Iode › Solid phase colorimetric determination of...
questionsmedicales.fr › Environnement et santé publique › Santé publique › Méthodes épidémiologiques › Statistiques comme sujet › Sensibilité et spécificité › Limite de détection › Solid phase colorimetric determination of...
questionsmedicales.fr › Technologie, industrie et agriculture › Produits manufacturés › Matériaux biomédicaux et dentaires › Polymères › Matières plastiques › Résines synthétiques › Résines acryliques › Poly(acides méthacryliques) › Solid phase colorimetric determination of...
questionsmedicales.fr › Produits chimiques inorganiques › Sels › Solid phase colorimetric determination of...
questionsmedicales.fr › Techniques d'investigation › Techniques de chimie analytique › Fractionnement chimique › Extraction en phase solide › Solid phase colorimetric determination of...
questionsmedicales.fr › Techniques d'investigation › Techniques de chimie analytique › Analyse spectrale › Spectrophotométrie › Solid phase colorimetric determination of...