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Organic Acids Analysis in Black-vinegar (KC-811)

Organic acids in black-vinegar were separated using organic-acids-analysis column, RSpak KC-811.


Sample : Black vinegar, 20micro-L
1. Gluconic acid
2. Lactic acid
3. Acetic acid
4. Pyroglutamic acid

Columns      : Shodex RSpak KC-811 (8.0mmID*300mm) x 2
Eluent       : 3mM HClO4 aq.
Flow rate    : 1.0mL/min
Detector     : UV(210nm), Shodex RI
Column temp. : 50deg-C