An Apparatus to Produce Gas Mixtures with Controlled CO2, O2, and Water Vapor Concentrations | Zendy

H. Koller | Zendy; J. H. Thorne | Zendy

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An Apparatus to Produce Gas Mixtures with Controlled CO₂, O₂, and Water Vapor Concentrations

Author(s) -

H. Koller,

J. H. Thorne

Publication year - 1974

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.53.1.11

Subject(s) - water vapor , dew point , dew , chemistry , environmental chemistry , analytical chemistry (journal) , thermodynamics , organic chemistry , condensation , physics

An apparatus to produce continuous gas mixtures for use in measurements of plant gas exchange is described. A wide range of CO(2) and water vapor concentrations can be provided and O(2) concentration can be varied from 0 to 21%. Changes in the concentrations of the components are accomplished conveniently, rapidly, and independently. With occasional adjustments, CO(2) and O(2) concentrations can be maintained to within +/- 1 mul/l and +/- 0.1%, respectively. Dew point of the gas mixture can be maintained to within +/- 0.05 C.

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