The method of use of the absorbent element sensor

The method of the present invention to provide an absorbent sensor element, the method comprising: providing said absorbent sensor element, the sensor element is heated to a temperature of the absorbent in the range of 30 deg.] C to 100 deg.] C, and the absorbent the sensor element is exposed to analyte vapors, sensor element and measuring the capacitance of the absorbent correlation characteristic spectral characteristics and / or reflection of incident light upon. Said absorbent element sensor comprising: a first base member, is disposed on the substrate, a second member, disposed between said first member and said second member and said first member and in contact with the a second layer of said detecting means, said detection layer comprises a microporous polymer having a self.