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Canadian Journal of Anesthesia, Vol 17, 630-634, Copyright © 1970 by Canadian Anesthesiologists' Society
1 Department of Anaesthesia, University of Manitoba, Winnipeg
The adsorption of halothane vapour on the ground-glass in all-glass syringes was studied. We devised a method to estimate adsorption by measuring changes of pressure in syringes filled with halothane vapour-air mixtures. The amount of adsorption of the halothane vapour by ground-glass was considerable, particularly at lower concentrations of the mixture. This factor significantly affects accuracy in the particular estimation of anaesthetic vapour-gas mixtures.
Note:
This work has been supported by a grant from The Canadian Foundation for the Advancement of Therapeutics
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