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Organic Acid Standards (3)

Organic acid standards were analyzed using RSpak KC-811.


Sample :
1. Citric acid
2. Tartaric acid
3. Pyrubic acid
4. Malic acid
5. Succinic acid
6. Glyconic acid
7. Lactic acid
8. Fumaric acid
9. Acetic acid
10. Levulinic acid
11. Pyroglutamic acid
12. Propionic acid
13. Isobutyric acid
14. n-Butyric acid

Columns      : Shodex RSpak KC-811 (8.0mmID*300mm) x 2
Eluent       : 6mM HClO4 aq.
Reagent      : 10-fold diluted ST3-R (for post-column method)
Flow rate    : 1.0mL/min
Detector     : VIS(430nm)
Column temp. : 50deg-C