In order to achieve nondestructive analysis of liquid samples, the spectral analysis of solution in a flexible container is proposed in this paper. However, the difference in the flexible containers reduces the accuracy of the spectral analysis. By analyzing the relationship between the condition number of coefficient matrix (CNCM) and the solution accuracy, a method of reducing CNCM by multi-pathlength spectrum is proposed to reduce the error caused by the differences in flexible containers. To verify the feasibility of the method, different concentrations of samples were prepared with intralipids and India-ink, and polyvinyl chloride sample tubes were used as the flexible container. The experimental results show that the proposed strategy can effectively reduce the error caused by the differences in flexible containers.
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May 01 2019
Improving the nondestructive analysis accuracy of liquids in a flexible container based on the multi-pathlength spectrum method
Xingwei Hou;
Xingwei Hou
1
State Key Laboratory of Precision Measurement Technology and Instrument and School of Precision Instruments and Opto-Electronics Engineering, Tianjin University
, Tianjin 300072, China
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Gang Li;
Gang Li
a)
1
State Key Laboratory of Precision Measurement Technology and Instrument and School of Precision Instruments and Opto-Electronics Engineering, Tianjin University
, Tianjin 300072, China
a)Author to whom correspondence should be addressed: linling@tju.edu.cn.
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Shengzhao Zhang
;
Shengzhao Zhang
2
Department of Bio-Medical Engineering, School of Life Science, Anhui Medical University
, Hefei 230032, People’s Republic of China
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Shaoxiu Song;
Shaoxiu Song
1
State Key Laboratory of Precision Measurement Technology and Instrument and School of Precision Instruments and Opto-Electronics Engineering, Tianjin University
, Tianjin 300072, China
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Han Tian;
Han Tian
3
Huai An Vocational College of Information Technology, Huai’an 223003, People’s Republic of China and Nuclear Engineering, Seoul National University
, Seoul 151-744, South Korea
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Xin Feng;
Xin Feng
1
State Key Laboratory of Precision Measurement Technology and Instrument and School of Precision Instruments and Opto-Electronics Engineering, Tianjin University
, Tianjin 300072, China
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Ling Lin
Ling Lin
a)
1
State Key Laboratory of Precision Measurement Technology and Instrument and School of Precision Instruments and Opto-Electronics Engineering, Tianjin University
, Tianjin 300072, China
a)Author to whom correspondence should be addressed: linling@tju.edu.cn.
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a)Author to whom correspondence should be addressed: linling@tju.edu.cn.
Rev. Sci. Instrum. 90, 056101 (2019)
Article history
Received:
August 21 2018
Accepted:
April 14 2019
Citation
Xingwei Hou, Gang Li, Shengzhao Zhang, Shaoxiu Song, Han Tian, Xin Feng, Ling Lin; Improving the nondestructive analysis accuracy of liquids in a flexible container based on the multi-pathlength spectrum method. Rev. Sci. Instrum. 1 May 2019; 90 (5): 056101. https://doi.org/10.1063/1.5052909
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