Abstract
The incorporation of a variety of additional physical/passive and catalytically active/chemical filters into the measuring unit or directly into the sensor construction is one of the most effective methods for improving both sensor selectivity and sensor resistivity to poisoning. The present chapter describes the materials used for fabrication of these filters and analyzes their advantages and disadvantages. Sorbents for gas preconcentrators are also discussed. It was found that preconcentration is the most effective method for improving sensor selectivity and detection limits for certain analytes, preconcentration being one of the methods used for gas sampling. The chapter includes 4 figures, 3 tables, and 54 references.
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Korotcenkov, G. (2013). Filters in Gas Sensors. In: Handbook of Gas Sensor Materials. Integrated Analytical Systems. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-7165-3_12
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DOI: https://doi.org/10.1007/978-1-4614-7165-3_12
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