GS3 Methods (Speciality Sugars)

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Polarimetric Sucrose Content of Raw Sugar by VIS-Polarimetry - Official (Reference)
ICUMSA Method GS1-1 (2022)

Polarimetric Sucrose Content of Raw Sugar by NIR-Polarimetry - Official
ICUMSA Method GS1-2 (2022)

Reducing Sugars in Cane Raw sugar, Cane Processing Products and some Speciality Sugars by Titration - Accepted
ICUMSA Method GS1_/3/7-3 (2005)

The Determination of Glucose and Fructose in Raw and White Sugars Using High Perfomance Anion-Exchange Chromatography (HPAEC) - Official
ICUMSA Method GS1_/2/3-4 (1998)

Determination of the Solution Colour of Raw Sugars, Brown Sugars and Coloured Syrups at pH 7.0 - Official
ICUMSA Method GS1_/3-7 (2011)

The Determination of Conductivity Ash in Raw Sugar, Brown Sugar, Juice, Syrup and Molasses - Official
ICUMSA Method GS1_/3/4/7/8-13 (1994)

The Determination of pH by a Direct Method – in Raw Sugar, Molasses, Juices and Syrups – Official – in White Sugar, Speciality Sugars and Plantation White Sugar – Tentative
ICUMSA Method GS1_/2/3/4/7/8/9-23 (2009)

Polarimetric Sucrose Content of White Sugar by VIS-Polarimetry - Official
ICUMSA Method GS2-1 (2022)

The Determination of Reducing Sugars in Purified Sugars by the Knight and Allen EDTA Method - Official (Reference)
ICUMSA Method GS2_/3/9-5 (2011)

The Determination of Sugar Solution Colour at pH 7.0 - Accepted
ICUMSA Method GS2_/3-9 (2005)

The Determination of Sugar Moisture by Loss on Drying - Official
ICUMSA Method GS2_/1/3/9-15 (2007)

The Determination of Conductivity Ash in Refined Sugar Products and in Plantation White Sugar - Official
ICUMSA Method GS2_/3/9-17 (2011)

The Determination of the Turbidity of White Sugar Solutions - Official
ICUMSA Method GS2_/3-18 (2013)

The Determination of Insoluble Matter in White Sugar by Membrane Filtration - Official
ICUMSA Method GS2_/3/9-19 (2007)

The Determination of Lead in Sugars and Syrups by a GFAAS Method - Official
ICUMSA Method GS2_/3-24 (1998)

The Determiantion of Arsenic in Refined Sugar Products by a Colorimetric Method - Accepted
ICUMSA Method GS2_/3/9-25 (2007)

The Determination of Lead in Sugar Products by a Colorimetric Method - Accepted
ICUMSA Method GS2_/1/3-27 (1994)

The Determiantion of Copper in Refined Sugar Products by a Colorimetric Method - Accepted
ICUMSA Method GS2_/3-29 (1994)

The Determination of Iron in Refined Sugar Products and Sugar Solutions by a Colorimetric Method - Accepted
ICUMSA Method GS2_/3/7/8-31 (1994)

The Determination of Sulphite in Refined Sugar Products excepting Brown Sugars by an Enzymatic Method - Official; The Determination of Sulphite in Brown Sugars - Tentative
ICUMSA Method GS2_/3-35 (2011)

The Determination of the Equilibrium Relative Humidity (ERH) of Crystalline Sugar Products by Measurement of the Dewpoint - Official
ICUMSA Method GS2_/1/3-39 (1994)

10-Day Acid Beverage Floc Test for White Sugar – Official
ICUMSA Method GS2_/3-40 (2019)

The Determination of the Total Mesophilic Bacterial Count in Refined Sugar Products by the Pour Plate Method or the Membrane Filtration Method - Official
ICUMSA Method GS2_/3-41 (2011)

24-Hour Acid Beverage Floc Test for Beet White Sugar - Accepted
ICUMSA Method GS2_/3-44 (2019)

The Determination of the Slime-forming Bacterial Count in Refined Sugar Products by the Pour Plate Method or the Membrane Filter Method - Official
ICUMSA Method GS2_/3-45 (2017)

Yeasts and Moulds in White Sugar by Membrane Filtration or Pour Plating - Accepted
ICUMSA Method GS2-47 (2022)

The Determination of Thermophilic Spore-Forming Bacteria in Refined Sugar Products by the Pour Plate Method or the Membrane Filter Method - Official
ICUMSA Method GS2_/3-49 (1998)

Determination of Thermophilic Acidophilic Bacteria (TAB) and Guaiacol Producing TAB (GP-TAB) in Sugar Products – Accepted
ICUMSA Method GS2_/3-50 (2017)

ß-Glucuronidase-positive Escherichia coli and ß-Galactosidase-positive coliform Bacteria in White Sugar by Membrane Filtration - Accepted
ICUMSA Method GS2-52 (2022)

Osmotolerant Yeasts and Xerotolerant Moulds in White Sugar by Membrane Filtration or Pour Plating - Accepted
ICUMSA Method GS2-53 (2022)

The Determination of the Polarisation of the Sugar Component of Powdered Sugars Containing Anti-Caking Agents - Official
ICUMSA Method GS3-1 (2002)

The Determination of Sulphated Ash in Brown Sugar, Juice, Syrup and Molasses - Official
ICUMSA Method GS3_/4/7/8-11 (2000)

The Determination of Anti-Caking Agents in Powdered Sugars by a Gravimetric Method - Official
ICUMSA Method GS3-21 (2002)

The Determination of the Total Sugar Content of Invert Sugar Syrups by an HPLC Method - Official
ICUMSA Method GS3-50 (2013)

Sulphite as Sulphur Dioxide (SO₂) in Brown Sugars by the Optimized Monier-Williams Method combined with Titration – Accepted
ICUMSA Method GS3-51 (2019)

Sulphite as Sulphur Dioxide (SO₂) in Brown Sugars by the Optimized Monier-Williams Method combined with High-Performance Ion Chromatography (HPIC) – Accepted
ICUMSA Method GS3-52 (2019)

The Determination of Reducing Sugars in Cane Molasses and Certain Refined Syrups by the Lane & Eynon Constant Volume Procedure - Official
ICUMSA Method GS4_/3-3 (2007)

The Determination of Total Reducing Sugars in Molasses and Refined Syrups after Hydrolysis by the Lane & Eynon Constant Volume Procedure - Official (Reference)
ICUMSA Method GS4_/3-7 (2011)

The Determination of Total Reducing Sugars in Molasses and Refined Syrups after Hydrolysis by the Luff Schoorl Procedure - Official
ICUMSA Method GS4_/3-9 (2011)

The Determination of Moisture by the Karl Fischer Procedure in Molasses - Official, and in Cane Raw Sugars, Speciality Sugars and Syrups - Tentative
ICUMSA Method GS4_/7/3-12 (1998)

The Determination of Refractometric Dry Substance (RDS) of Molasses – Accepted and Very Pure Syrups (Liquid Sugars), Thick Juice and Run-off Syrups – Official
ICUMSA Method GS4_/3/8-13 (2009)

The Determination of Total α-Galactosides and Raffinose by an Enzymatic Method in Beet Molasses - Official – in Juices and Syrups from Beet Processing and Beet Sugar - Accepted
ICUMSA Method GS4_/8/1/2/3-18 (2017)

Fructose, Glucose and Sucrose by Gas Chromatography (GC) in Cane Juices, Syrups and Molasses - Official (Reference)
ICUMSA Method GS7_/4/3-22 (2011)

Calcium in Sugar Products by EDTA Titration - Accepted
ICUMSA Method GS8_/2/3/4-9 (2000)

Sugar Solution Colour at pH 7.0 using MOPS Buffer - Official (Reference)
ICUMSA Method GS9_/1/2/3-8 (2011)