Mercury vapor analyzer in atmospheric air based on mercury capillary lamp with natural isotope composition
V.V. Tatur, A.A. Tikhomirov, A.I. Abramochkin, B.V. Korolev, N.G. Mutnitskii
Institute of Monitoring of Climatic and Ecological Systems of the Siberian Branch of the Russian Academy of Sciences, Tomsk, Russia
Keywords: анализатор, пары ртути, капиллярная лампа, естественный изотопный состав, поперечный эффект Зеемана, analyzer, mercury vapor, capillary lamp, natural isotope composition, transverse Zeeman effect
Abstract
A new modification of mercury vapor analyzer in atmospheric air is described. A low pressure mercury capillary lamp filled with natural isotope composition is used as a source of emission. The transverse Zeeman effect is used for the analysis. Results of the analyzer laboratory tests in various gas environments are presented. Full compensation of non-selective absorption signals is achieved. The analyzer sensitivity is estimated as ± 30 ng/m3.
|
