Analysis of Haloacetic acids

Five kinds of haloacetic acid were analyzed with RSpak JJ-50 2D.

Sample : 500ppm each, 2micro-L
1. Chloroacetic acid
2. Bromoacetic acid
3. Dichloroacetic acid
4. Dibromoacetic acid
5. Trichloroacetic acid

 Column : Shodex RSpak JJ-50 2D (2.0mmID*150mm)
 Eluent : 25mM CH3COONH4 buffer(pH9.2)/CH3CN=50/50
 Flow rate : 0.2mL/min
 Detector : UV(210nm)
 Column temp. : 40°C