The use of a portable refractometer to measure desflurane

The use of a portable refractometer to measure desflurane

Summary The measurement of volatile anaesthetic agents by infrared absorption is liable to interference by other gases which absorb infrared light. In particular, nitrous oxide may, in principle, interfere with the measurement of desflurane. On the other hand, the refractometer shouldbe immune to su...

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Veröffentlicht in:Anaesthesia 1995-07, Vol.50 (7), p.607-610
Hauptverfasser: CHEAM, E. W. S., LOCKWOOD, G. G.
Format: Artikel
Sprache:eng
Schlagworte:
Anaesthetics volatile
Anesthetics - analysis
Biological and medical sciences
Calibration
Desflurane
General pharmacology
Isoflurane - analogs & derivatives
Isoflurane - analysis
Measurement techniques
Medical sciences
Nitrous Oxide
Oxygen
Pharmacology. Drug treatments
Physicochemical properties. Structure-activity relationships
refractometerinfrared absorption
Refractometry
Spectrophotometry, Infrared
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Beschreibung
Zusammenfassung:Summary The measurement of volatile anaesthetic agents by infrared absorption is liable to interference by other gases which absorb infrared light. In particular, nitrous oxide may, in principle, interfere with the measurement of desflurane. On the other hand, the refractometer shouldbe immune to such effects. We demonstrated that interactions may occur between desflurane and nitrous oxide with some gas analysers and that the refractometer remains a useful instrument.
ISSN:0003-2409
1365-2044
DOI:10.1111/j.1365-2044.1995.tb15113.x