The ICUMSA Methods Book Supplement 2007 comprises 4 new, 13 revised and 7 rewritten and 4 new draft methods as well as one revised specification.
New Methods
GS 2/3-18
Turbidity of White Sugar Solutions
GS 6-5
a-Amino Nitrogen in Sugar Beet by the Copper(Blue number) Method
GS 6-7
Potassium and Sodium in Sugar Beet by Flame Photometry
GS8-19
Dextran in Beet Juices by a Modified Alcohol Haze Method
Revised Methods
GS1/2/3-1 (now GS1/2/3/9-1)
GS1-15 (now GS1/2/9-15)
GS1/2/3/4/7/8-23 (now GS1/2/3/4/7/8/9-23)
GS2/3-5 (now GS2/3/9-5)
GS2-6 (now GS2/9-6)
GS2/1/3-15 (now GS2/1/3/9-15)
GS2/3-19 (now GS2/3/9-19)
GS2/3-25 (now GS2/3/9-25)
GS2-37 (now GS2/9-37)
GS2/3-40
GS4-13 (now GS4/3-13)
GS7-21
Rewritten Methods
GS2-4
GS2/3-10
GS2-11
GS2-13
GS4/3-3
GS4/3-7
GS8/4/6-4
Rewritten Specification and Standard
SPS-1
New Draft Methods
Draft Method 7
As, Cd, Cu and Fe in White sugar by an AAS method
Draft Method 8
Apparent Total Sucrose in Molasses by an Enzymatic Method
Draft Method 9
Polarisation and Brix without wet lead clarification
Draft Method 10
Modifications to Method GS5/7-1 for High Grade Products by substituting non-lead products for basic lead acetate
In 2007, Draft Methods 5 and 6 were removed from the Methods Book