Method for detecting perfluorinated compound by using sensor array composed of dye

The invention discloses a method for detecting a perfluorinated compound by using a sensor array composed of dyes. The method comprises the following steps: S1, preparing a fluorescent dye solution: preparing a fluorescein diluent, a coumarin 7 diluent and a cyanine diluent; s2, preparation of a pollutant solution: preparing a diluted PFBA solution, a diluted PFOA solution, a diluted PFDA solution, a diluted PFUdA solution and a diluted PFDoA solution; s3, constructing a fluorescence sensor array and detecting the perfluorinated compound: putting the sample into a fluorescence spectrophotometer for detection; the dye used in the detection method is easy to obtain and high in fluorescence stability, perfluorinated compounds with similar structures can be detected through sensor array detection, and operation is easy and convenient. 本发明公开了一种利用染料组成的传感器阵列检测全氟化合物的方法，包括以下步骤：S1、荧光染料溶液的配制：配制荧光素稀释液、香豆素7稀释液、花青稀释液；S2、污染物溶液的配制：配制稀释后的PFBA溶液、PFOA溶液、PFDA溶液、PFUdA溶液、PFDoA溶液；S3、荧光传感器阵列的构建及全氟化合物的检测：将样品放入荧光光谱仪中检测；本发明检测方法所用染料易于获得