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

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


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

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