基于静力衡量法和光学法的超微容量测量方法对比分析

doi:10.3969/j.issn.1000-1158.2022.10.02

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Abstract The static weighing method and optical method are used to measure the ultramicro volume. In the optical method, the measurement systems based on the time-domain and spatial-domain spectroscopic methods are designed and built respectively. The measurement data of the two optical measurement systems at 1 μL and 10 μL are 0.967 μL and 0.929 μL, and 9.976 μL and 9.729 μL, respectively The renaturation is 3.2% and 2.54%, and the spatial spectroscopic measurement system is 3.6% and 2.02%. The same conclusion is obtained with the static measurement method, which proves the feasibility of optical method in the field of ultramicro volume measurement. Compared with the two optical systems, the detector sensitivity of the time-domain spectrometer is better, and more light intensity information can be detected in the ultra-fine volume measurement of low concentration; Compared with the static weighing method,.the optical method for liquid evaporation is simpler, and the design of optical elements can effectively reduce the influence of evaporation.

Key words： metrology ultramicro volume time domain spectroscopy spatial spectrum static weighing method

Received: 17 March 2021 Published: 14 October 2022

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TB938.3

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	Articles by authors
	LIU Xin-xing
	WANG Si-xian
	SUN Bin
	ZHANG Jing-yue
	WANG Jin-tao

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LIU Xin-xing,WANG Si-xian,SUN Bin, et al. Comparative Analysis of Ultramicro Volume Measurement Methods Based on Static Measurement method and Optical Method[J]. Acta Metrologica Sinica, 2022, 43(10): 1250-1255.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2022.10.02 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2022/V43/I10/1250

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