Spectral Analysis for Colour Measurement of Sugar

Reviewed by Anurag Mishra (Sr. Technical Consultant)

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The color of sugar is an indication of its purity. There are international standards that specify the sugar quality classification. And to ensure that there must be a common language to understand the levels of sugar purity, they established spectral analysis methods for conducting sugar color measurements using Spectrophotometer.

The color of sugar is directly proportionate to the processing method and stages. It is said that more the processing stages sugar cane goes, more refining is done and more it losses its original color. Also the stages of refining changes the taste of the sugar step by step. Therefore using precise color measurement one can inspect the required quality of sugar. The color measurement methods using spectrophotometry analysis can assure that the sugar product is fulfilling the customer and industrial requirements or not.

The color measurement solution used for sugar color analysis, such as TP 800 by Testronix, is a highly advanced mode equipment and is known to fir the industrial requirements of sugar manufacturer and suppliers. It uses 45/0 illumination method and complies with DIN, CIE, ASTM and ISO standard color measurement standards. Has an integrated sphere size of 58 mm in diameter. It deliver special lighting conditions with combined LED source. Equipped with silicon photodiode array type sensor for precision testing and accurate test output.

The measurements uses a wavelength range of 400 – 700 nm. Delivers a measuring aperture of 8mm for ideal capturing conditions. It follows color spaces such as XYZ, CIE LAB, CIE LUV, LCh, Yxy, HunterLAB etc. Equipped with a touch screen display which is also used for operational activity. Automated white and black calibration feature is available. Color measurement accessories are also available on request.

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