Table I. Chromatographic conditions for AnalyzingParaquat
andDiquat byHPLC-UV.
UltraQuat, 150x4.6mm, 5
µ
m (100Å)
HPLCColumn
Concentration
Injection
Detection
FlowRate
Isocratic
MobilePhase
10 ppmeach or as indicated
20
µ
L
UV@ 257nmParaquat
UV@ 308nmDiquat
1.0mL/min
95%A : 5%B
A: 549.2 (modified)MobilePhaseModifier solution,
cat# 32441, 20ml to 1000ml of water
B: acetonitrile
