Table 2. Organic acid standard
Peak
Retention time (min)
Area
Height (
μ
v)
A
Glucuronic acid
3.297
3,593,836
455,226
B
Formic acid
4.041
2,107,912
221,571
C
Lactic acid
5.853
2,802,768
310,899
D
Acetic acid
6.225
817,209
84,903
E
Citric acid
9.066
6,427,102
411,293