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Effects of Temperature on Retention Time (SI-35 4D)

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Please use this column with suppressor type ion chromatography system.

Shodex IC SI-35 4D (a column for rapid oxyhalides analysis) was used to analyze several anions and oxyhalides. Similar to SI-52 4E, SI-35 4D' s elution time of some oxyhalides is dependent on column temperature. For a best separation of (Br-) and chlorate (ClO3-), column temperature of 45 °C is recommended.


Sample : 20μL
1. F- 5mg/L
2. ClO2- 10mg/L
3. BrO3- 20mg/L
4. Cl- 5mg/L
5. NO2- 10mg/L
6. Br- 15mg/L
7. ClO3- 20mg/L
8. NO3- 15mg/L
9. HPO42- 30mg/L
10. SO42- 10mg/L


Column       : Shodex IC SI-35 4D (4.0mmI.D. x 150mm)
Eluent       : 3.6mM Na2CO3 aq.
Flow rate    : 0.6mL/min
Detector     : Suppressed conductivity