Venera 13 and Venera 14 gas-chromatography analysis of the Venus atmosphere composition

Details Venera 13 and Venera 14 gas-chromatography analysis of the Venus atmosphere composition Venera 13 and Venera 14 gas-chromatography analysis of the Venus atmosphere composition

Aug 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982pazh....8..399m&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 8, July 1982, p. 399-403) Soviet Astronomy Letters (ISSN 0360-0327), vol. 8, July-Aug.

Astronomy and Astrophysics

Astronomy

2

Abundance, Atmospheric Composition, Gas Chromatography, Satellite-Borne Instruments, Venus Atmosphere, Block Diagrams, Chemical Analysis, Chemical Composition, Planetology, Venera Satellites

Scientific paper

The gas-chromatography experiment carried by the Venera 13 and Venera 14 descent modules is described. Nine analyses of the chemical composition of the Venus atmosphere were made, beginning at the 58-km level. Preliminary estimates indicate the following volume abundances for several atmospheric constituents (parts per million): H2, 25 + or - 10; O2, 18 + or - 4; Kr, 0.7 + or - 0.3; H2O, 700 + or - 300; H2S, 80 + or - 40; COS, 40 + or - 20; and presumably SF6, 0.2 + or - 0.1. The H2, H2S, COS molecules have been identified in the Venus atmosphere for the first time.

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