Spectral Dependences of Optical Absorption of Rhodamine B Immobilized in a Film on the Concentration of Copper Ions in Water

Autor: E. N. Galasheva, Mayya Uspenskaya, I. Yu. Denisyuk, M. I. Fokina
Rok vydání: 2020
Předmět:
Zdroj: Optics and Spectroscopy. 128:1918-1920
ISSN: 1562-6911
0030-400X
DOI: 10.1134/s0030400x20110107
Popis: We studied the effect of the concentration of copper ions on the absorption spectrum of Rhodamine B in molecular form in an alcohol solution and immobilized in a polymer hydrogel film. The system is sensitive to the presence of copper ions at a concentration of 0.1 mg/L, which is sufficient for practical use. The insolubility of Rhodamine B in water during its immobilization in the volume of a photopolymerizable hydrogel film makes it possible to create a chemosensor that is stable at long exposures and is capable of sensing ultralow concentrations of impurities.
Databáze: OpenAIRE
Nepřihlášeným uživatelům se plný text nezobrazuje