Yelnikova, A. S.; Kolganova, T. S.; Parshina, A. V.; Bobreshova, O. V. A Potentiometric Multisensory System Based on MF-4SC Membranes Containing Silica With a Functionalized Surface for the Determination of Sulphanilamide and Potassium Ions. sorpchrom 2020, 20, 615-623.