Anion Standards (2) (I-524A)

Anion standards were analyzed using IC I-524A. A phthalic acid eluent is recommended for Anion analysis. Phosphoric ion has almost no response with this eluent.


Sample : 40 μL
1. F- 5 mg/L
2. Cl- 5 mg/L
3. NO2- 5 mg/L
4. Br- 10 mg/L
5. NO3- 15 mg/L
6. SO42- 10 mg/L
7. S2O32- 10 mg/L
8. I- 20 mg/L
9. SCN- 20 mg/L


Column       : Shodex IC I-524A (4.6 mm I.D. x 100 mm)
Eluent       : 2.5 mM Phthalic acid + 2.9 mM Tris(hydroxymethyl)aminomethane aq.
Flow rate    : 1.2 mL/min
Detector     : Non-suppressed coductivity
Column temp. : 40 °C

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