00545naa#a2200181#i#450# EN\\bibl\116467 20260305184117.4 3034-4689 20260226b2026####ek#y0engy0150####ca RU SORPTION EXTRACTION OF COBALT (II) BY DIOCTAHEDRAL SMECTITE FROM AQUEOUS SOLUTIONS Journal article Kazan Kazan National Research Technological University 2026 4 с. Journal article local Smirnov A. K. Vlasova N. A. vestniktu.ru