Low Concentration Anion Standards (3) (SI-90 4E)

Please use this column with suppressor type ion chromatography system.

Low concentration anion standards were analyzed using IC SI-90 4E (a column for anions analysis). k’ is the capacity factor of F^– and water dip.

s1062
s1064
s1066
Sample : 100micro-L
1. F^– 2micro-g/L
2. Cl^– 3micro-g/L
3. NO₂^– 5micro-g/L
4. Br^– 10micro-g/L
5. NO₃^– 10micro-g/L
6. PO₄^3- 15micro-g/L
7. SO₄^2- 15micro-g/L

 Column : Shodex IC SI-90 4E (4.0mmID*250mm)
 Eluent : Na₂CO₃ + NaHCO₃ aq.
 Flow rate : 1.0mL/min
 Detector : Shodex CD-5 and Suppressor module
 Column temp. : 25°C