Patent ID: 11969719
Assignee: JILIN UNIVERSITY
Field: Chemical engineering (Chemistry)
Classification: CPC B  C | IPC B  C

Claim 1:
2. The preparation method according to claim 1, wherein the metal salt comprises one of Fe(BF4)2·6H2O, Cu(ClO4)2·6H2O, Co(OAc)2·4H2O and Cd(ClO4)2·6H2O; a concentration of the solution of the polydentate organic ligand is between 1×10−4 mole per liter (mol/L) and 2×10−4 mol/L, a concentration of the aqueous solution of the metal salt is between 1×10−2 mol/L and 2×10−2 mol/L, and a volume ratio of the solution of the polydentate organic ligand:the aqueous solution of the metal salt is 1:1.