麻醉气体的红外吸收光谱等效模拟方法

doi:10.3969/j.issn.1000-1158.2023.10.20

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Abstract Calibration of anesthetic gas detector relies on the use of standard anesthetic gases, but its preparation is costly and time consuming. To solve this problem, an equivalent simulation method for anesthetic gases is proposed. Infrared filters are used to simulate the absorption of infrared light by anesthetic gases at different concentrations and serve as standard anesthetic gas. An anesthetic gas detection system is developed. Sevoflurane gases with volume fractions between 0.23%~8.50% and infrared filters with transmittance between 36%~95% are prepared and measured. It is demonstrated that the repeatability error of the equivalent sevoflurane concentration of filters is small than 0.02% and the maximum variation of equivalent concentration induced by the temperature effect is small than 0.02%+1.5%·c (c is the volume fraction of the measured gas). It is proved that infrared filters can be used to simulate standard anesthetic gases.

Key words： metrology concentration of anesthetic gas infrared absorption spectroscopy optical equivalent simulation sevoflurane filter

Received: 17 May 2022 Published: 10 October 2023

PACS:

TB99

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	Articles by authors
	DING Xiang
	MA Xue-ran
	ZHANG Yang
	LI Wen-hua
	ZHOU Feng

Cite this article:

DING Xiang,MA Xue-ran,ZHANG Yang, et al. An Equivalent Method for Simulating Anesthetic Gas Based on Infrared Absorption Spectroscopy[J]. Acta Metrologica Sinica, 2023, 44(10): 1626-1630.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2023.10.20 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2023/V44/I10/1626

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