Near Infrared transflectance spectrophotometry is used to predict the total sugar content in aqueous beet molasses and the ethyl alcohol content in fermented molasses. Regression mathematics are used to transform the absorption data into a quantitative result. Chemical analyses are polarimetry for sugars and distillation combined with areometry for alcohol. In the range 99–167 g/L for sugar and 5.9–9.5% v/v for ethanol, the error in predicting the composition was less than 3.5 g/L and 0.12% v/v, respectively. Established correlations were tested with variable nonsugar materials contents.
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Dumoulin et al. (1987) studied this question.
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