HPLC Analysis of Organic Acids Commonly Found in Wine and Beer on TSKgel^® OApak-P and OApak-A

column

TSKgel OApak-A, 30 cm x 7.8 mm I.D., 5 μm particles (816653)

column

TSKgel OApak-P Guard Column, 4 cm x 6 mm I.D., 10 μm particles (816654)

mobile phase

0.75 mM sulfuric acid

flow rate

0.8 mL/min

column temp.

60 °C

detector

conductivity

injection

20 μL

sample

organic acid mixture, see figure for concentrations