使用Asahipak NH2P-50 4E(糖分析柱)对奶粉中的糖的高灵敏度分析。采用电化学检测系统。


Sample : powdered Milk
1. Lactulose
2. Lactose

Instrument        : Agilent 1050 system
Reagent           : 0. 6M LiOH 
Flow rate         : 0.8 mL/min
Mode              : pulse
Working electrode : Gold
Potential         : Pot 1=0.65 V, Pot 2=-0.95 V, Pot=0.15 V

Column       : Shodex Asahipak NH2P-50 4E (4.6 mm I.D. x 250 mm)
Eluent       : (A); CH3CN/H2O=80/20
               (B); H2O
                0 min to 40 min, 5 % (B) to 40 % (B)
               40 min to 45 min, 40 % (B)
Flow rate    : 1.0 mL/min
Detector     : Agilent 1049A Electrochemical
Column temp. : 40 ℃