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Citation: QIN Xiao-Lei, ZHANG Yu, LI Zhe-Yu, JIN Peng, JIANG Lei, SUN Kai. Determination of Dyeing Wastewater by Snapshot Imaging Spectrometer[J]. Chinese Journal of Analytical Chemistry, ;2017, 45(11): 1635-1640. doi: 10.11895/j.issn.0253-3820.170227 shu

Determination of Dyeing Wastewater by Snapshot Imaging Spectrometer

QIN Xiao-Lei ^1, ,
ZHANG Yu ² ,
LI Zhe-Yu ¹ ,
JIN Peng ² ,
JIANG Lei ³ ,
SUN Kai ¹

1.
State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China;
2.
Center of Ultra-precision Optoelectronic Instrument, Harbin Institute of Technology, Harbin 150090, China;
3.
Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100101, China

Received Date: 13 April 2017
Revised Date: 12 September 2017

Fund Project: This work was supported by the National High Technology Research and Development Program of China (No. 2015AA042401).

A rapid detection method for dyeing wastewater by snapshot imaging spectrometer was developed. The simulated dyeing wastewater solution of a single component and mixed components was prepared and the experimental conditions were optimized. The white LED array was used as the detection light source and the image of the sample was collected by the imaging spectrometer developed in the laboratory to obtain the spectral information of the sample in the range of 400-800 nm. The standard curve between the absorbance and the concentration of the samples was established. The linear range of a single component of Rhodamine B or Orange G was 1-50 mg/L, the linear correlation coefficients was more than 0.99, the recoveries were 93%-114% and the relative standard deviations (RSD) were 7.5% and 1.3%. The correlation coefficients between predicted concentration and reference concentration reached 0.999 in the detection of mixed component by using the multiple linear regression model, and the relative errors of 3 predicted samples were reduced. The rapid, accurate and precise method showed an excellent promise for on-site and emergency detection of dyeing wastewater.
- Imaging spectrometer,
- Spectrum,
- Dyeing wastewater,
- Determination
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