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Features of RSpak DE Series (3) (Effects of Eluent pH on Analysis Result)

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RSpak DE series is stable in wide eluent pH range.


Sample : 10μL
1. Theobromine
2. Theophylline
3. Caffeine


 

Column       : Shodex RSpak DE-413 (4.6mmI.D. x 150mm) 
Eluent       : 10mM Sodium phosphate buffer/CH3CN=82/18
Flow rate    : 0.6mL/min 
Detector     : UV(254nm) 
Column temp. : 40°C

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