following standards were obtained from Sigma-Aldrich®, Inc
(Allentown, PA): lactic acid, acetic acid, butyric acid, isobutyric acid,
propionic acid, valeric acid, isovaleric acid, methylvaleric acid,
heptanoic acid, hexanoic acid and octanoic acid.
A 1000-ppm working standard solution was prepared by adding
50 µL of each organic acid standard to a 50-mL volumetric cylinder
and filling to volume with diluent.
PerkinElmer Brownlee™ Aqueous C18 5-µm, 250 x 4.6-mm can be used as column. You can also go for different colomn depends on the nature of acid and solvent.
heptanoic acid, hexanoic acid and octanoic acid.
100 ppm of working solution, then you decide the daily solution.
You can also choose different colomun depends on the nature of acid and solvent.
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