13C Breath Gas Test to verify gastrointestinal function and / or metabolic functions and device therefor
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Apparatus for the measurement of respiratory gases converts exhaled air into the correct composition of breathing air using a non-dispersive infra red spectroscope
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Calibration apparatus for non-dispersive infra red spectrometer for gas ratio measurements in inhalation gases has rotating drum fitted with filled calibration vessels to be positioned and locked in infra red beam path
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Process to calibrate respiratory test units is by evacuation of a measuring cell and a comparative cell and compensation for drift
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Production of material labeled with carbon-13 useful for diagnostic or research purposes
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Calibration of gas analysis equipment measuring isotopic proportions and concentration of e.g. carbon di:oxide
