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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