Study on Measurement of Cl2 Emission Concentration by Differential Absorption Spectroscopy

被引：0
|
作者：
Shi, Jiatong [1 ]
Guo, Jie [1 ]
Han, Xiaohong [1 ]
Yu, Zhiwei [1 ]
Zhang, Han [1 ]
机构：
[1] Hangzhou Zetian Technol Co Ltd, Hangzhou 310052, Peoples R China
来源：
ADVANCED SENSOR SYSTEMS AND APPLICATIONS IX | 2019年 / 11191卷
关键词：
differential optical absorption spectroscopy; broadband dielectric coated mirror; spectral measurement; Cl-2;
D O I：
10.1117/12.2537544
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
An ultra-low emission Cl-2 monitoring optical system based on differential optical absorption spectroscopy has been set up. We have found through comparison experiments that UV reflection enhanced aluminum is damaged and the dielectric film mirror is intact under high concentration of Cl-2. Then verify the performance characteristics of ultra-low Cl-2 emission online monitoring device. The maximum absorbance of 50ppm Cl-2 exceeds 0.1, while the 30ppm Cl-2 reaches 0.063, so the measurement range can be 0-95 mg/m(3), which meets the maximum allowable emission concentration of Cl-2 required by the new regulations for detection of 65mg/m(3).
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页数：5
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