G. Lockwood British Journal of Anaesthesia

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Expansion of air bubbles in aqueous solutions of nitrous oxide or xenon G. Lockwood British Journal of Anaesthesia Volume 89, Issue 2, Pages 282-286 (August 2002) DOI: 10.1093/bja/aef183 Copyright © 2002 British Journal of Anaesthesia Terms and Conditions

Fig 1 The experimental arrangement. A 5 ml vial containing a magnetic stirrer is filled with water equilibrated with a test gas and placed in a water bath on a magnetic stirrer (not shown). The septum in the cap is punctured by a needle connected to a polyethylene tube holding a horizontal methanol column, dyed blue for convenience. When an air bubble is injected through the septum the change in volume of the bubble is measured by marking at frequent intervals the position of the meniscus (enlarged inset) as water is displaced into the tubing. British Journal of Anaesthesia 2002 89, 282-286DOI: (10.1093/bja/aef183) Copyright © 2002 British Journal of Anaesthesia Terms and Conditions

Fig 2 Experimental results. British Journal of Anaesthesia 2002 89, 282-286DOI: (10.1093/bja/aef183) Copyright © 2002 British Journal of Anaesthesia Terms and Conditions

Fig 3 The values for the parameter, k, derived from the individual experiments. Nitrous oxide, closed circles; xenon, closed triangles; nitrogen calculated from experiments with nitrous oxide, open circles, or xenon, open triangles. Triangles are offset to the right for clarity. British Journal of Anaesthesia 2002 89, 282-286DOI: (10.1093/bja/aef183) Copyright © 2002 British Journal of Anaesthesia Terms and Conditions