For citations:
Aliyev E.H., Bahmanova F.N., Hamidov S.Z., Chyragov F.M. Lead (II) concentration by a chelating sorbent containing meta-phenylenediamine fragments. Proceedings of Universities. Applied Chemistry and Biotechnology. 2020;10(1):107-113. (In Russ.) https://doi.org/10.21285/2227-2925-2020-10-1-107-113