ICUMSA Colour Index (ICUMSA GS 1/3-7, ICUMSA GS 2/3-9, ICUMSA GS 2/3-10)

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Path Length: 50mm (PFX/PFXi-195 Series), 100mm (PFX/PFXi-880,950,995 Series)

Photometric methods for colour grading of filtered sugar solutions based on the transmittance of the solution at a known concentration (Brix value) and at the specified wavelength of 420 nm for white sugars and other light coloured products or 560 nm for darker coloured products.


  • Food and Beverage
  • Sugar Solutions, Syrups and Honey
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Applicable Standard 3. Ber. Int. Fruit Juice 1961