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Conditions of Use
Single ICUMSA® Methods are only offered digitally. The subscription license includes two year access to the method, which can be read on sugarindustry.info.
The Method cannot be downloaded, shared or duplicated. Please note the Copyright, Licensing and Trademark Policy of ICUMSA© and Bartens.
Access to Method
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This method determines the photometric grade of white sugar in relation to the Braunschweig colour-types by measurement of the ratio of reflectance at two different wavelengths.
The Photometer used is calibrated using either Braunschweig Colour Standards (primary standard) or Ceramic Tiles (secondary standard).
For sugars having colour type values < 4.85, the absolute difference between two results obtained under repeatability conditions should not be greater than 0.14 and under reproducibility conditions not greater than 0.55. Please click here to open ICUMSA Method GS2-13 (2017).