On the applicability of nanodiamonds produced by detonation synthesis for phenol testing in aqueous media
- Autores: Ronzhin N.1, Puzyr A.1, Bondar V.1
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Afiliações:
- Institute of Biophysics, Krasnoyarsk Scientific Center, Siberian Branch
- Edição: Volume 475, Nº 1 (2017)
- Páginas: 155-158
- Seção: Chemical Technology
- URL: https://journals.rcsi.science/0012-5008/article/view/154025
- DOI: https://doi.org/10.1134/S0012500817070011
- ID: 154025
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Resumo
It was found that the catalytic effect of modified nanodiamonds (MND) in the H2O2–4-aminoantipyrine–phenol oxidative azo coupling reaction is due to microimpurities of iron and copper ions on the surface of nanoparticles. The efficiency of MND as a catalyst is determined by the amount of surface impurities of these ions and can be doubled by their additional adsorption on nanoparticles. Using MND for phenol indication ensures a linear yield of the colored product of the azo coupling reaction over an analyte concentration range of 0.05–10 μg/mL. The possibility of reusing MND for phenol testing in aqueous samples was demonstrated.
Sobre autores
N. Ronzhin
Institute of Biophysics, Krasnoyarsk Scientific Center, Siberian Branch
Autor responsável pela correspondência
Email: roniol@mail.ru
Rússia, Akademgorodok, Krasnoyarsk, 660036
A. Puzyr
Institute of Biophysics, Krasnoyarsk Scientific Center, Siberian Branch
Email: roniol@mail.ru
Rússia, Akademgorodok, Krasnoyarsk, 660036
V. Bondar
Institute of Biophysics, Krasnoyarsk Scientific Center, Siberian Branch
Email: roniol@mail.ru
Rússia, Akademgorodok, Krasnoyarsk, 660036