Optical fibre spectroscopy sensor for the quantitative determination of industrial textile dyes
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AuthorCubillas de Cos, Ana María; Conde Portilla, Olga María; Anuarbe Cortés, Pedro; Gutiérrez, Mónica; Martínez, Vicente; López Higuera, José Miguel
In this paper, an extrinsic optical fibre sensor (OFS) for the quantitative determination of dyes used in the textile industry is presented. The system proposed is based on absorption spectroscopy and multivariate calibration methods to infer the concentration of different textile dyes. The performance of the sensor has been successfully assessed using calibrated dyes, with a very good correlation between the multivariate calibration models and the predicted values. The sensor system here demonstrated could be used to predict the colour of dye mixtures during the dyebath and, therefore, reduce the manufacturing costs.
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