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47 FR 31142, July 16, 1982, unless otherwise noted.
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Subscribe to: 21 CFR 868.1690
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Nomenclature changes to part 868 appear at 73 FR 35341, June 23, 2008.
(a) Identification. A nitrogen gas analyzer is a device intended to measure the concentration of nitrogen in respiratory gases to aid in determining a patient's ventilatory status. The device may use techniques such as gas chromatography or mass spectrometry.
(b) Classification. Class II (performance standards).