Effect of modification of the MF-4SC membranes in the potassium form with acid salts of heteropolyacids on membrane properties and characteristics of dp sensors based on them

E. Yu. Safronova; A. V. Parshina; E. A. Ryzhkova; O. V. Bobreshova; A. B. Yaroslavtsev

doi:10.1134/S0036023616120159

Effect of modification of the MF-4SC membranes in the potassium form with acid salts of heteropolyacids on membrane properties and characteristics of dp sensors based on them

Autores: Safronova E.Y.¹, Parshina A.V.², Ryzhkova E.A.², Bobreshova O.V.², Yaroslavtsev A.B.¹
Afiliações:
1. Kurnakov Institute of General and Inorganic Chemistry
2. Voronezh State University
Edição: Volume 61, Nº 12 (2016)
Páginas: 1512-1517
Seção: Synthesis and Properties of Inorganic Compounds
URL: https://journal-vniispk.ru/0036-0236/article/view/166943
DOI: https://doi.org/10.1134/S0036023616120159
ID: 166943

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Hybrid materials based on perfluorinated sulfo cation-exchange MF-4SC membrane and nanoparticles of cesium hydrogen phosphotungstate and silicotungstate heteropolyanions were obtained. These membranes with a gradual dopant distribution along the length were used to develop potentiometric sensors for determination of amino-containing organic cations in aqueous solutions at pH < 7. A relationship between the membrane transport characteristics and sensing properties was elucidated.