ICS-A23 ion chromatography column and its guard column ICS-A2G were selected, mobile phase of the HPLC was (NH4)2CO3 of 0.03 mol/L at flow rate of 1 mL/min.

• 采用ICS-A23色谱柱分离IO3-和I-；以(NH4)2CO3为流动相；浓度0.；03mol/L；流速1mL/min。