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FT-NIR Spectroscopy for the Sugar Industry
FT-NIR can be implemented in both, the lab of a sugar mill
and at-line in the production area in order to control products
and by-products for the most common sample types
and parameters like:
Raw sugar: Pol, Moisture, Reducing Sugars, Ash and
Color (ICUMSA)
Molasses: Pol, Brix, Sucrose and Dry Matter
Golden Syrup: Pol, Brix, Cane Sugar, Reducing Sugar
and Ash
Other applications include the analysis of mixtures of
sugar and syrups and all kind of syrup products, e.g. Invert
syrup, as well as sugar cane, which can be analyzed after
shredding for the parameters Brix, Fiber, Moisture and
Polarimeter Reading.
Easy Sampling with FT-NIR Spectrocopy
Solid samples are filled in a quartz cup and analyzed in
reflection while the cup is rotated during the measurement.
All liquids and syrups are measured in a 22mm vial with
a mirror inserted for transflection measurement. If liquid
samples are diluted the analysis can be automated with a
transmission flow cell connected to a liquid autosampler.
FT-NIR spectroscopy has the potential to substitute a wide
range of time consuming classical analysis methods, like
polarimetry, densitometry, refractometry, LC or GC in the
sugar industry. Bruker Optics offers starter calibrations for
raw sugar, syrups and molasses.

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