Journal of Applied Spectroscopy

, Volume 84, Issue 6, pp 1081–1083 | Cite as

Determination of the Ability to Measure Traces of Water in Dehydrated Residues of Waste Water by IR Diffuse Reflectance Spectra

  • S. V. Pratsenka
  • E. S. Voropai
  • V. G. Belkin

Rapid measurement of the moisture content of dehydrated residues is a critical problem, the solution of which will increase the efficiency of treatment facilities and optimize the process of applying flocculants. The ability to determine the moisture content of dehydrated residues using a meter operating on the IR reflectance principle was confirmed experimentally. The most suitable interference filters were selected based on an analysis of the obtained diffuse reflectance spectrum of the dehydrated residue in the range 1.0–2.7 μm. Calibration curves were constructed and compared for each filter set. A measuring filter with a transmittance maximum at 1.19 μm and a reference filter with a maximum at 1.3 μm gave the best agreement with the laboratory measurements.


diffuse reflection infrared spectroscopy moisture determination dehydrated residue 


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • S. V. Pratsenka
    • 1
  • E. S. Voropai
    • 1
  • V. G. Belkin
    • 2
  1. 1.Belarusian State UniversityMinskBelarus
  2. 2.Aquar-Systems LtdMinskBelarus

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