Publicação: Liquid droplet: A proposal for sampling and analysis of trace gas in the atmosphere.
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Soc Brasileira Quimica
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Resumo
In the present paper, we report on the analytical use of a dynamic droplet based gas collection and an analysis system. A droplet formed at the tip of a tube represents a sampling approach that provides an indefinitely renewable surface and uses very little reagent. Sample gas flows past the droplet at a low flow rate. After the gas was sampled,the analysis can be carried out by different methodologies. The feasibility of the sensor is demonstrated by continuos determination of gaseous as: NO2, Cl-2 and SO2.
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gases analysis, air analysis, gases sampling
Idioma
Português
Como citar
Quimica Nova. Sao Paulo: Soc Brasileira Quimica, v. 21, n. 2, p. 217-220, 1998.
