RSpak KC-811 is suitable for the analysis of typical organic acids contain in fruits together with vitamin C.


Sample : 15 μL
1. Citric acid 1350 μg/mL
2. Malic acid 1020 μg/mL
3. Vitamin C 610 μg/mL
4. Succinic acid 1040 μg/mL
Dissolved in 5 % Methaphosphoric acid

Columns      : Shodex RSpak KC-811 (8.0 mm I.D. x 300 mm) x 2
Eluent       : 1 mM HClO4 aq.
Flow rate    : 1.0 mL/min
Detector     : UV (210 nm)
Column temp. : 50 °C