Anion Standards (19) Rapid Analysis (SI-90 4E)

Please use this column with suppressor type ion chromatography system.

We used an IC SI-90 4E, a column for anion analysis, to analyze seven standard anions (F-, Cl-, NO2-, Br-, NO3-, HPO42-, SO42-). The use of an eluent with aqueous solution of 1.8 mM Na2CO3 + 1.7 mM NaHCO3 is best suited to the separation of those seven anions. A good separation of seven ions and carbonate ion was achieved even at 2.0 mL/min flow rate, demonstrating the method’s suitability for a rapid analysis.

Sample : 20 μL
1. F- (2 mg/L)
2. Cl- (3 mg/L)
3. NO2- (5 mg/L)
4. Br- (10 mg/L)
5. NO3- (10 mg/L)
6. HCO3- (300 mg/L)
7. HPO42- (15 mg/L)
8. SO42- (15 mg/L)

Column       : Shodex IC SI-90 4E (4.0 mm I.D. x 250 mm)
Eluent       : 1.8 mM Na2CO3 + 1.7 mM NaHCO3 aq.
Flow rate    : 1.0 mL/min or 1.5 mL/min or 2.0 mL/min
Detector     : Suppressed conductivity
Column temp. : 30 °C

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