Basic orange II molecular imprinting solid-phase extraction filler, solid-phase extraction column and preparation methods and application thereof
A solid-phase extraction column, molecular imprinting technology, applied in chemical instruments and methods, other chemical processes, etc., can solve the problem of low separation selectivity
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Embodiment 1
[0027] 1. Preparation of Basic Orange II Molecularly Imprinted SPE Cartridge
[0028] (1) Preparation of molecularly imprinted polymer particles containing basic orange II with a tricyclic phenanthrene skeleton
[0029] Weigh 0.2mmol of Basic Orange II, add an appropriate amount of ethanol to make it just dissolve, then add 4mmol of acrylamide monomer, 6mmol of cross-linking agent maleic rosin glycol acrylate, 0.25g of azobisisobutyronitrile, 2mL Soybean oil, 10mL ethyl acetate, ultrasonic 20min, form a uniform organic phase solution A; solution B is an aqueous solution of sodium lauryl sulfate with a mass concentration of 0.10%; take 100mL of solution B and place it in a three-necked flask, and pour solution A into the solution In B, add a stirrer, condenser and thermometer, stir at a constant speed (210r / min) at room temperature for 20 minutes; heat the reaction system to slowly raise the temperature to 75°C, and react for 1h; connect the water separator, and slowly raise th...
Embodiment 2
[0041] 1. Preparation of Basic Orange II Molecularly Imprinted SPE Cartridge
[0042] (1) Preparation of molecularly imprinted polymer particles containing basic orange II with a tricyclic phenanthrene skeleton
[0043] Weigh 1mmol of Basic Orange II, add an appropriate amount of ethanol to make it just dissolve, then add 20mmol of acrylamide monomer, 30mmol of cross-linking agent maleic rosin glycol acrylate, 0.5g of azobisisobutyronitrile, 5mL of Soybean oil, 20mL ethyl acetate, ultrasonic 20min, form a uniform organic phase solution A; solution B is an aqueous solution of sodium lauryl sulfate with a mass concentration of 0.10%; take 300mL of solution B and place it in a three-necked flask, and pour solution A into solution B Add a stirrer, a condenser and a thermometer, and stir at a constant speed (230r / min) for 20 minutes at room temperature; heat the reaction system to slowly raise the temperature to 75°C, and react for 1h; connect the water separator, slowly raise the ...
Embodiment 3
[0055] 1. Preparation of Basic Orange II Molecularly Imprinted SPE Cartridge
[0056] (1) Preparation of molecularly imprinted polymer particles containing basic orange II with a tricyclic phenanthrene skeleton
[0057] Weigh 3mmol of Basic Orange II, add an appropriate amount of ethanol to make it just dissolve, then add 60mmol of acrylamide monomer, 90mmol of cross-linking agent maleic rosin glycol acrylate, 1.2g of azobisisobutyronitrile, 10mL of Soybean oil, 40mL ethyl acetate, ultrasonic 20min, form a uniform organic phase solution A; solution B is an aqueous solution of sodium lauryl sulfate with a mass concentration of 0.10%; take 600mL of solution B and place it in a three-necked flask, and pour solution A into solution B Add a stirrer, a condenser and a thermometer, and stir at a constant speed (250r / min) for 20 minutes at room temperature; heat to slowly raise the temperature of the reaction system to 75°C, and react for 1h; connect the water separator, and slowly he...
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