Abstract- Using Near Infrared Spectrophotometer of Elico (India) in the spectral range of 600-2500nm, online method of estimation of various impurities (polysaccharides, inorganic ¨®compounds and amino acids) in cane juice has been developed. Standard error of calibration and standard error of prediction was evaluated for each impurity using Partial Least Square Regression Analysis and Multi Linear Regression Analysis. Multi Linear Regression Analysis was also done and the wavelengths were identified at which the absorbance correlated well with the concentrations of particular impurity. Brookfield (HBDV-III) programmable Rheometer with small sample adapter that was double walled system of sample volume 8ml was used to study the effect of these impurities (polysaccharides, inorganic compounds and amino acids) at different temperatures (313, 318, 323, 328 and 333 K) on the rheology of final cane molasses.
- near infrared spectrophotometer,
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