Qualitative and quantitative study of quintozene by terahertz time-domain spectroscopy

Xiaowei Wang; Qiang Wang; Yehao Ma; Huali Wang

doi:10.1117/12.906502

30 November 2011 Qualitative and quantitative study of quintozene by terahertz time-domain spectroscopy

Xiaowei Wang, Qiang Wang, Yehao Ma, Huali Wang

Proceedings Volume 8201, 2011 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems; 82010W (2011) https://doi.org/10.1117/12.906502
Event: International Conference on Optical Instruments and Technology (OIT2011), 2011, Beijing, Beijing, China

Abstract

We used terahertz time-domain spectroscopy (THz-TDS) technology to measure liquid bactericide quintozene and obtained its absorbance spectrum in THz region. Meanwhile, its theoretical spectrum was obtained by software package Gaussian 03. Experimental characteristic absorption peak in 1.84 THz was agreement with theoretical peak in 1.81THz, which was caused by flexural vibration of the benzene ring. Quantitative experiments were carried out on quintozene MtBE solutions in the concentration range of 30-100 μg/ml. We analyze the relationship with simple linear regression (SLR) method between the amplitude value and concentration of the solutions in 0.1-1.05 THz region, which included the THz pulse peaks and the first order value of the linear fit of absorbance spectrum. The overall results indicate that the simple linear regression is an effective method for the quantitative analysis of quintozene solutions.

Citation Download Citation

Xiaowei Wang, Qiang Wang, Yehao Ma, and Huali Wang "Qualitative and quantitative study of quintozene by terahertz time-domain spectroscopy", Proc. SPIE 8201, 2011 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems, 82010W (30 November 2011); https://doi.org/10.1117/12.906502

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