Organic Acid Standards (5) (DE-213)
4 kinds of organic acids were analyzed by RSpak DE-213
which is packed in 2mmID semi-micro column. In 4 minutes, sharp peaks could be
obtained. For the detection, RI detector with small cell volume type was used.
Sample : 1mg/mL each , 1micro-L
1. Glyoxylic acid
2. Tartaric acid
3. Malic acid
4. Lactic acid
Column : Shodex RSpak DE-213 (2.0mmID*150mm)
Eluent : 10mM H3PO4 aq.
Flow rate : 0.15mL/min
Detector : Shodex RI (small cell volume)
Column temp. : 50deg-C