A kind of cobalt complex with electrochemical response to hydrogen peroxide and preparation method thereof
A technology of hydrogen peroxide and complexes, applied in the field of material chemistry, can solve the problems of poor chemical stability, high price, unstable enzymes, etc., and achieve the effect of facilitating the transfer of electrons and good electrochemical response performance
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Embodiment 1
[0017] Weigh Co(Ac) 2 4H 2 O (0.0747g, 0.3mmol), potassium 5-nitroorotate monohydrate (0.0772g, 0.3mmol), put in a 50mL beaker, add 15mL of distilled water, heat and stir for 20min to form a reaction mixture solution, and use hydrogen Adjust the pH value of the reaction mixture solution to 4.5 with dilute potassium oxide solution, let it stand at room temperature, slowly evaporate the solvent until crystals are precipitated, remove the residual solution by filtration, and naturally air-dry to obtain orange-yellow blocky crystals, which are cobalt complexes.
Embodiment 2
[0019] Weigh Co(Ac) 2 4H 2 O (0.374g, 1.5mmol), potassium 5-nitroorotate monohydrate (0.257g, 1.0mmol), put in a 50mL beaker, add 30mL of distilled water, heat and stir for 30min to form a reaction mixture solution, and use hydrogen Adjust the pH value of the reaction mixture solution to 5.5 with dilute potassium oxide solution, let it stand at room temperature, slowly evaporate the solvent until crystals are precipitated, remove the residual solution by filtration, and naturally air-dry to obtain orange-yellow blocky crystals, which are cobalt complexes.
Embodiment 3
[0021] Weigh Co(Ac) 2 4H 2 O (0.249g, 1.0mmol), potassium 5-nitroorotate monohydrate (0.257g, 1.0mmol), put in a 50mL beaker, add 20mL of distilled water, heat and stir for 25min to form a reaction mixture solution, and use hydrogen Potassium oxide dilute solution to adjust the pH value of the reaction mixture solution to 5.0, let it stand at room temperature, slowly evaporate the solvent until crystals are precipitated, filter to remove the residual solution, and naturally air-dry to obtain orange-yellow blocky crystals, which are cobalt complexes.
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