Effects of humidity on hydrogen sulfide detection by SnO2 solid state gas sensors
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Abstract The electrical resistance of solid state tin oxide gas sensores (thin film and commercial thick film) has been determined in the simultaneous presence of H2S (0 – 40 ppm) and H2O (0 – 80% relative humidity). Humidity super-imposes a further decrease in resistance on to the decrease produced by H2S alone.
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