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An open circuit infrared gas analysis system for measuring aquatic plant photosynthesis at physiological pH

Titre :	An open circuit infrared gas analysis system for measuring aquatic plant photosynthesis at physiological pH Ajouter au panier
Titre de série :	Australian Journal of Plant Physiology, Vol 6 - n°4
Auteur(s) :	J.A. Browse, Auteur (et co-auteur)
Type de document :	Tiré à part
Sujets :	Photosynthèse ; Dioxyde de carbone ; pH
Résumé :	A temperature-controlled assimilation chamber and gas circuit are described which allow steady-state measurement of photosynthesis by aquatic plants in media containing bicarbonate ions. Gas entering the assimilation chamber is divided into fine bubbles by passage through a sintered glass disc which forms the chamber floor. Rapid achievement and subsequent maintenance of chemical and phase equilibria are ensured by sustaining a high gas flow through the chamber via a recirculating loop in the gas circuit. Incorporation of this unit in a conventional open infrared gas analysis system allowed accurate and sensitive measurements to be made over wide ranges of pH and CO2 concentration.
Date de publication :	1979
Format :	pp. 493-498 / ill., graph., tabl., réf.
Langue(s) :	Anglais
Lien vers la notice :	https://infodoc.agroparistech.fr/index.php?lvl=notice_display&id=148867