ANALYSIS OF NITROUS OXIDE CONCENTRATIONS IN WHOLE BLOOD
Open Access
- 1 June 1973
- journal article
- Published by Elsevier in British Journal of Anaesthesia
- Vol. 45 (6) , 556-562
- https://doi.org/10.1093/bja/45.6.556
Abstract
Nitrous oxide in Wood has been measured by an equilibration method; the 95% confidence limits for a single estimation are ±1.6 mg/100 ml, that is within 3.2% of the concentration at 50 mg/100 ml (65.5% nitrous oxide at equilibrium) and ±1.4 mg/100 ml, within 14% of the concentration, at 10 mg/100 ml (13.1% nitrous oxide at equilibrium). Once the calibration curve has been constructed, which takes about 90 minutes, analysis time for each sample is 3 minutes. The sample can be stored in a suitable bottle with a mean daily loss of 1% of the nitrous oxide concentration.Keywords
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