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Method GS2/1/7/9-33 (2011)
The Determination of Sulphite by the Rosaniline Colorimetric Method in White Sugar – Official (Reference) Method; in VVHP Raw Sugar – Tentative; in Cane Sugar Juices and Syrups – Accepted; and in Plantation White Sugar – Accepted
(Previous version dated 2009 – VVHP – very very high pol (> 99.60 °Z))
1 Scope and Field of Application [1,2,3,4]
This method is based on the colorimetric determination of SO2 and is applicable to white sugar (General Subject 2), very very high pol raw sugar (General Subject 1), cane sugar juices and syrups (General Subject 7) and to plantation white sugar (General Subject 9). This is the method that ICUMSA recommends for the Determination of Sulphite in White Sugar in preference to Method GS2/3-35 [6].
Online Access to ICUMSA Method GS2-33 (2022)
Access to the online Version of ICUMSA Method GS2-33 (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.).