A Chemiluminescent Balloon-Type Nitrogen Dioxide Meter for Tropospheric and Stratospheric Investigations (NaDA)
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We have developed and produced a small and inexpensive balloon-type instrument for tropospheric and stratospheric measurements of the content of nitrogen dioxide in the atmosphere, the NaDA. The instrument utilizes the reaction of liquid luminol with NO2, which results in the emission of light in the visible spectral region, and can operate under both tropospheric and stratospheric conditions. The range of measured concentrations is ∼ 0.1–50 ppbv; the instrument’s sensitivity is ∼26000 pulses/s per 1 ppbv of NO2 at atmospheric pressure and its mass is ∼1 kg. Field tests of the instrument have been performed. A height profile of the NO2 distribution in the atmosphere was obtained.
KeywordsNitrogen Atmosphere Physical Chemistry Dioxide Field Test
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