For citations:
Naumova A.O., Melnikov P.V., Dolganova E.V., Yashtulov N.A., Zaitsev N.K. Shifts in the pKa value of acid–base indicators caused by immobilization on solid substrates via water-soluble polycationic polymers: a case study of Congo Red. Fine Chemical Technologies. 2020;15(4):59-70. https://doi.org/10.32362/2410-6593-2020-15-4-59-70