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Effects of Acetonitrile Concentration in Analysis of Sugar Alcohols

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Sugar alcohols were analyzed using SUGAR SC1211 (a column for saccharides analysis). When the concentration of acetonitrile in the eluent is increased, the retention of sample becomes stronger and separation is improved though the neccessary time for the analysis becomes longer.


Sample : 1% each, 10μL
1. Maltitol
2. Glycerol
3. Mannitol
4. Xylitol
5. Sorbitol


Column       : Shodex SUGAR SC1211 (6.0mmI.D. x 250mm)
Eluent       : (A); H2O, (B); H2O/CH3CN=80/20, (C); H2O/CH3CN=60/40 
Flow rate    : 1.0mL/min
Detector     : Shodex RI
Column temp. : 70°C

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