Phenobarbital molecular imprinted polymer and application of phenobarbital molecular imprinted polymer serving as solid-phase extractant
A technology of phenobarbital and molecular imprinting, which is applied in the fields of analytical chemistry and material science, can solve difficult extraction and separation problems, achieve broad application prospects, improve separation precision, and be easy to operate
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[0025] Example
[0026] Phenobarbital molecularly imprinted polymer, its specific preparation steps are:
[0027] 1) Put 74.5 mg (0.5 mmol) of phenobarbital and 344 mg of acrylamide (4 mmol) into a 50 mL test tube, then dissolve and mix with 25.5 ml of acetonitrile, seal it, and put it in a refrigerator for self-polymerization for 24 hours. The refrigerator temperature is at 4°C. The following; then add 1280 μL (4 mmol) trimethylolpropane trimethacrylate and 6.56 mg azobisisobutyronitrile (0.04 mmol) at room temperature, mix thoroughly and pass nitrogen for 10 min, put it into the UV light box, Under 4°C, the polymerization was initiated by ultraviolet light with a wavelength of 260 nm for 24 h to obtain a spherical particle polymer;
[0028] 2) soak the spherical particle polymer obtained in step 1) with organic solvent methanol / acetic acid and stir for 2 hours, the template molecules in the spherical particle polymer are dissolved in the organic solvent methanol / acetic acid...
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