Description
The ICUMSA Methods Book Supplement 2022 comprises 1 new Method, 2 new and 3 revised Standards, 5 completely revised and rewritten Methods as well as 3 renumbered Methods.
Introductory Pages
The new introductory pages 1–12 of the Method Book should replace the 2019 version.
New Method
GS5-2 (2022) Sucrose, Dry Substance and Fibre in Cane by NIR-Polarimetry and Refractometry using a Hydraulic Press for Juice Recovery – Tentative
Method changed in Status from Tentative to Official
GS1-2 (2022) Polarimetric Sucrose Content of Raw Sugar by NIR-Polarimetry – Official
Method changed in Status from Official to Official (Reference)
GS1-1 (2022) Polarimetric Sucrose Content of Raw Sugar by VIS-Polarimetry – Official (Reference)
Method changed in Status from Official (Reference) to Official
GS2-1 (2022) Polarimetric Sucrose Content of White Sugar by VIS-Polarimetry – Official
Method changed in Status from Official to Accepted
GS2-47 (2022) Yeasts and Moulds in White Sugar by Membrane Filtration or Pour Plating – Accepted
Revised Methods
GS2-33 (2022) Sulphite in White Sugar by the Rosaniline Colorimetric Method – Official (Reference)
GS2-52 (2022) ß-Glucuronidase-positive Escherichia coli and ß-Galactosidase-positive coliform Bacteria in White Sugar by Membrane Filtration – Accepted
GS2-53 (2022) Osmotolerant Yeasts and Xerotolerant Moulds in White Sugar by Membrane Filtration or Pour Plating – Accepted
GS2-47 (2022) Yeasts and Moulds in White Sugar by Membrane Filtration or Pour Plating – Accepted
GS5-1 (2022) Sucrose, Dry Substance and Fibre in Cane and Bagasse by VIS-Polarimetry after Clarification of the Aqueous Extract with Lead Acetate and by Refractometry – Official (formerly Method GS5/7-1 (2011))
New Specifications and Standards
SPS-10 (2022) Sampling, Sample Handling and Sample Preparation of Free-Flowing Sugars
SPS-11 (2022) Sampling, Sample Handling and Sample Preparation of Liquid Sugar Products, Syrups and Molasses
SPS-12 (2022) Sampling of Refined Sugar Products for Microbiological Analyses (replaces the former ICUMSA® Method GS2/3-42 (2002) without any changes of its content)
SPS-13 (2022) Sampling of Sugar Cane by the Full Width Hatch Sampler (replaces the former ICUMSA® Method
GS5-5 (1994) without any changes of its content)
SPS-14 (2022) Sampling of Sugar Cane by the Corer Method (replaces the former ICUMSA® Method GS5-7 (1994) without any changes of its content)
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