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Application of a cavity enhanced UV-LED spectrometer for measurements of atmospheric HONO and NO2 in Hong Kong

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Abstract

A cavity enhanced UV-LED spectrometer was applied to measure ambient HONO and NO2 during field intercomparison campaign in HK. Detection limits of 0.3 ppbv for HONO and 1 ppbv for NO2 were achieved over 120s.

© 2014 Optical Society of America

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