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Measurement of gas concentrations (O2, CO2, N2O and volatile agents)
Affiliation:1. Institute of Metrology of Bosnia and Herzegovina, Augusta Brauna 2, 71000 Sarajevo, Bosnia and Herzegovina;2. University of Ljubljana, Faculty of Mechanical Engineering, Aškerčeva 6, 1000 Ljubljana, Slovenia
Abstract:
Analysis of respiratory gases is part of standard monitoring, and is used in operating theatres, intensive care units, and for patient transfer.Common methods for oxygen analysis include: galvanic (fuel) cell, Clark (polarographic) electrode, and paramagnetic analyser. Common methods for carbon dioxide measurement include: infrared absorption spectroscopy and Severinghaus electrode. Other methods utilize mass spectroscopy, Raman scattering, and the piezoelectric effect.
Keywords:Analysis  carbon dioxide  gas  measurement  nitrous oxide  oxygen
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