Table II. Improved chromatographic conditions for separation
and confirmation of phenoxyacid herbicides.
UltraAqueousC18, 150x4.6mm, 5
µ
m
Allure
TM
Basix, 150x4.6mm, 5
µ
m
HPLCColumns
Concentration
Injection
Detection
FlowRate
Gradient
Program
MobilePhase
10ppmeach
10
µ
L
UV@ 225nm
1.0mL/min
0min 20%B
28min 80%B
33min 90%B
34min 20%B
A: 0.05%H
3
PO
4
B: acetonitrile
