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Royal Society of Chemistry, Analytical Methods, 1(9), p. 170-175

DOI: 10.1039/c6ay03008d

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Photocatalytic air-purification : a low-cost, real-time gas detection method

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This paper is available in a repository.

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Abstract

This research demonstrates the use of a gas detector as a feasible alternative to the standardized analytical methods typically found in photocatalytic air-purification ISO standard tests and academic literature. A methyl mercaptan detector is calibrated and validated (for linearity) using a standard gas generator. The detector can be directly connected to the photoreactor exit allowing real-time span gas measurement with data-logging at one minute intervals. The detector successfully differentiated samples with different photocatalytic performance. The use of such detectors offers an easy-to-use, low-cost alternative to gas measurement with applications in academic research, proof-of-concept photocatalytic tests and also as an educational tool.