This method measures the optical rotation of solutions of white sugars (General Subject 2) and white specialty products (General Subject 3) compared with the optical rotation of a solution of pure sucrose [1,2].
Access to the online Version of ICUMSA Method GS2-1 (2022) can be obtained from the Sugar Industry Website, operated by Bartens. The online access for two years costs EUR35 (+ 19 % VAT for German and EU citizens without EU VAT No.).