| Substance | Elution Volume (mL) |
|---|---|
| Oxalic acid |
1.75
|
| Glyoxylic acid |
1.91
|
| DL-Tartaric acid |
2.17
|
| Glycolic acid |
2.22
|
| beta-Hydroxypropionic acid |
2.61
|
| Formic acid |
2.68
|
| Malic acid |
2.72
|
| Pyruvic acid |
2.74
|
| Lactic acid |
2.98
|
| L-Pyroglutamic acid |
3.07
|
| Citric acid |
3.12
|
| Malonic acid |
3.18
|
| Substance | Elution Volume (mL) |
|---|---|
| Maleic acid |
3.36
|
| Acetic acid |
3.37
|
| alpha-Ketoglutaric acid |
3.55
|
| Succinic acid |
4.70
|
| Levulinic acid |
6.64
|
| Propionic acid |
7.12
|
| Itaconic acid |
8.94
|
| trans-Aconitic acid |
10.80
|
| Fumaric acid |
11.09
|
| Adipic acid |
16.38
|
| Mesaconic acid |
28.48
|
Column : Shodex RSpak DE-413 (4.6mmID*150mm) Eluent : 10mM H3PO4 aq. Flow rate : 1.0mL/min Detector : Shodex RI Column temp.: 50deg-C