Abstract
We have built a novel optical multi-sensor apparatus (MSA) for the measurement of light absorption, scattering and fluorescence either separately or simultaneous from a liquid. From the measured data it is possible to calculate different optical properties of liquid samples, such as absorbance and turbidity. The MSA is a portable device which is an advantage considering different field applications. The MSA was tested in laboratory conditions using well-known reference liquids. Data obtained with the MSA were compared with data obtained with a commercial spectrophotometer, fluorometer and a nephelometer, respectively. Relatively good correlations between the data of MSA and the three commercial devices were found. It is proposed that MSA is a potential device for monitoring changes of process liquids and liquid products in industry.
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Rissanen, R., Niskanen, I., Räty, J. et al. Optical multi-sensor for simultaneous measurement of absorbance, turbidity, and fluorescence of a liquid. OPT REV 21, 395–400 (2014). https://doi.org/10.1007/s10043-014-0061-6
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DOI: https://doi.org/10.1007/s10043-014-0061-6