00535naa#a2200169#i#450# EN\\bibl\102938 20250929131831.1 3034-4689 20250807b2025####ek#y0engy0150####ca RU PREPARATION OF PALLADIUM-CHITOSAN HYDROSOL AND ITS CATALYTIC ACTIVITY IN COPPER PRECIPITATION REACTION Journal article Kazan Kazan National Research Technological University 2025 4 с. Journal article local Savel'ev I. L. vestniktu.ru