Determination of vanillic acid based on POM-host guest materials
Objective:To determine the concentration of vanillic acid by polyoxometal-based host-guest frame material modified glass carbon electrode.Methods:A stable polyacid-based host-guest metal-organic frame-work material PMoV@MIL-100(Fe)was synthesized by combining vanadium-substituted phosphomolybdic acid(PMoV)with MIL-100(Fe)according to the synthesis method of polyacid-based host-guest framework materials.Functional composite material PMoV@MIL-100(Fe)@Pt was prepared by composite metal nanoparti-cles with PMoV@MIL-100(Fe)by solution method,and was used to modify glassy carbon electrode,detect vanillic acid,and prepare vanillic acid electrochemical sensor.Results:Under optimal conditions,the vanillic acid electrochemical sensor showed wide linear range and high sensitivity.Rapid and sensitive detection of vanillic acid could be performed under mild conditions with excellent stability.Conclusion:The electrochemical sensor constructed in this experiment provides a new idea for the detection of vanillic acid.
万方数据
维普
