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ICUMSA Method GS1/2/3-2 (2009)

The Determination of the Polarisation of Raw Sugar 
without Wet Lead Clarification – Tentative

First Issued 2002, Last Revised 2004, Last Rewritten 2009-11-01


1 Scope

This method is applicable to all raw sugars [1,2] (General Subject1), white sugars and specialty sugars requiring clarification (General Subjects 2 and 3) [3]. It is an alternative to Method GS1/2/3-1 which permits the elimination of clarification with basic lead acetate by using polarimeters with light sources operating in the near infrared (NIR) wavelength range. Such polari- meters are able to read solutions with much higher colour than hitherto.


Online Access to ICUMSA Method GS 1/2/3-2 (2009)

Access to the online Version of ICUMSA Method ICUMSA Method GS 1/2/3-2 (2009) can be obtained from the Bartens Website. The online access for two years costs EUR25 (+ 19 % VAT for German and EU citicens without EU VAT No.). You will receive your access code within 48 hours after receipt of payment.