Preparation method and application of metal-organic framework material
An organic framework, metal technology, applied in the analysis of materials, material electrochemical variables, material analysis by electromagnetic means, etc., can solve the problem of methylene blue residue limit without relevant regulations, animal poisoning, death and other problems, to achieve high safety factor, The effect of improving selectivity and simple preparation process
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Embodiment 1
[0040] Metal-organic framework materials are prepared by the following steps:
[0041](1) Add 0.312g of phenylalanine dipeptide (L-Phe-L-Phe) into 20mL of ethanol solution, the volume fraction of ethanol in the ethanol solution is 80%, and put the mixture into an ultrasonic device Middle and lower ultrasound for 5 minutes is fully dispersed and uniform, and a milky white turbid mixed solution is obtained;
[0042] (2) Put the obtained mixed solution in a 30mL glass screw-top sample bottle, add about 2.5mL of 0.2M copper acetate aqueous solution dropwise to the milky white turbid solution, and wait until the white turbid solution turns into royal blue clarification When the solution is transparent, stop adding the copper acetate solution dropwise;
[0043] (3) Place the obtained royal blue clear transparent solution in an oven at 85° C., react for 10 hours, and cool to room temperature to obtain a mixed solution in which royal blue massive crystals are precipitated; the obtain...
Embodiment 2
[0054] Same as Example 1, the difference is:
[0055] The solid-to-liquid ratio of step (1) phenylalanine dipeptide and ethanol solution is 0.01g / mL, and the volume fraction of ethanol in ethanol solution is 90%, and the molar concentration of step (2) copper acetate solution is 0.1M, step ( 3) The medium sapphire blue clear and transparent solution was placed in an oven at 85° C. and reacted for 6 hours.
Embodiment 3
[0057] Same as Example 1, the difference is:
[0058] The solid-to-liquid ratio of step (1) phenylalanine dipeptide and ethanol solution is 0.02g / mL, and the volume fraction of ethanol in ethanol solution is 75%, and the molar concentration of step (2) copper acetate solution is 0.2M, step ( 3) The medium sapphire blue clear and transparent solution was placed in an oven at 85° C. and reacted for 48 hours.
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