| abstract |
The invention discloses a method and application for rapid colorimetric analysis of phenolic pollutants based on MnCo@C NCs enzyme activity, and belongs to the technical field of colorimetric sensing. The method includes first preparing MnCo@C NCs enzymatic active materials with core-shell structure, and using its laccase-like activity to add MnCo@C NCs to multiple morpholine ethanesulfonic acid buffer samples containing different concentrations of phenolic pollutants. , then add the color developer 4-AP to react, record the absorbance value A of each sample at a wavelength of 510 nm after the reaction, and obtain the detection linear relationship between the concentration of phenolic pollutants and the absorbance value A. According to the detection linear relationship and the absorbance value of the sample to be tested containing phenolic pollutants, analyze the concentration of phenolic pollutants in the sample to be tested. The colorimetric detection method has the advantages of low cost, simple operation, rapid response and high sensitivity, and can be applied to the determination of phenolic pollutants in coking wastewater. |