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Organic Acid Standards (1)

Organic acid standards were analyzed using RSpak KC-811.


Sample :
1. Oxalic acid , 2. alpha-Ketoglutaric acid
3. Pyruvic acid, 4. 2-Ketogluconic acid
5. Citric acid, 6. Tartaric acid
7. Malonic acid, 8. Galacturonic acid
9. Gluconic acid, 10. Malic acid
11. Ascorbic acid , 12. Fumaric acid
13. Succinic acid, 14. Formic acid
15. Acetic acid, 16. Pyroglutamic acid
17. Levulinic acid, 18. Propionic acid

Columns      : Shodex RSpak KC-811 (8.0mmID*300mm) x 4
Eluent       : 1mM HClO4 aq.
Reagent      : 10-fold diluted ST3-R (for post-column method)
Flow rate    : 1.0mL/min
Detector     : VIS(430nm)
Column temp. : 40deg-C