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Time-dependent humidity calibration for drift corrections in electronic noses equipped with SnO2 gas sensors by R Ionescu; A Vancu; A Tomescu is a scholarly article available to read on EtoBox.

What is Time-dependent humidity calibration for drift corrections in electronic noses equipped with SnO2 gas sensors about?

Changes in the ambient humidity induce significant, long-termed variations both in conductance and in the calibration characteristics Ž of SnO gas sensors for different reducing gases. These gas-dependent variations depend both on humidity changes initial and final 2 . humidity and on the time spent in each humidity. A previous knowledge of the conductance and calibration transients, together with a permanent information about humidity and about the time spent in each humidity, should result in significant improvements in the operation of electronic noses equipped with SnO gas sensors.

Author

R Ionescu; A Vancu; A Tomescu

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0925-4005)

Published

2000

Language

EN