Quenching of fluorescence of phenolic compounds and modified humic acids by cadmium ions

O. N. Tchaikovskaya; L. V. Nechaev; N. V. Yudina; E. V. Mal'tseva

doi:10.1002/bio.3077

journal article Jan 05, 2016

Quenching of fluorescence of phenolic compounds and modified humic acids by cadmium ions

O. N. Tchaikovskaya L. V. Nechaev N. V. Yudina

E. V. Mal'tseva

Luminescence Vol. 31 No. 5 pp. 1098-1102 · Wiley

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Abstract

AbstractThe interaction of a number of phenolic compounds, being ‘model fragments’ of humic acids, with cadmium ions was investigated. The fluorescence quenching method was used to determine the complexation constants of these compounds with cadmium ions. It was established that bonding of phenolic compounds by cadmium ions at рН 7 is weak and reaches a maximum value of 15% for interaction with resorcinol. It was demonstrated that modification of humic acids by the mechanoactivation method increases by three times bonding of cadmium ions, which is caused by strengthening the acid properties of carboxyl and hydroxyl groups at the aromatic ring. Copyright © 2016 John Wiley & Sons, Ltd.

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Details

Published: Jan 05, 2016
Vol/Issue: 31(5)
Pages: 1098-1102
License: View

Authors

O

O. N. Tchaikovskaya

Tomsk State University 36, Lenin Ave. Tomsk 634050 Russia

L

L. V. Nechaev

Tomsk State University 36, Lenin Ave. Tomsk 634050 Russia

N

N. V. Yudina

Federal State Budgetary Scientific Institution ‘Institute of Petroleum Chemistry of the Siberian Branch of the Russian Academy of Sciences’ 4, Academicheskii Ave Tomsk 634021 Russia

E

E. V. Mal'tseva

Federal State Budgetary Scientific Institution ‘Institute of Petroleum Chemistry of the Siberian Branch of the Russian Academy of Sciences’ 4, Academicheskii Ave Tomsk 634021 Russia

Cite This Article

O. N. Tchaikovskaya, L. V. Nechaev, N. V. Yudina, et al. (2016). Quenching of fluorescence of phenolic compounds and modified humic acids by cadmium ions. Luminescence, 31(5), 1098-1102. https://doi.org/10.1002/bio.3077

Quenching of fluorescence of phenolic compounds and modified humic acids by cadmium ions

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