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ICUMSA Method GS 1/2/3/9-1 (2011)
Polarisation of Raw Sugar by Polarimetry - Official

1 Scope

This method is applicable to all raw sugars [1] (General Subject 1), white sugars, specialty sugars and plan-tation white sugars requiring clarification (General  Subjects 2, 3 and 9) [2,3].

NOTE – No detail of methodology has been changed, from that given in GS1/2/3-1 (1994), by the introduction of plantation white sugars (General Subject 9).


If a choice is available to the user for the Determination of Polarisation of White Sugar then ICUMSA recommends that Method GS2/3-1 is used preferentially.

Online Access to ICUMSA Method GS 1/2/3/9-1 (2011)

Access to the online Version of ICUMSA Method ICUMSA Method GS 1/2/3/9-1 (2011) 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.