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River Water (1) (I-524A)


Anions in river water were analyzed using IC I-524A. In river water, small volume of H2PO4, Br and NO2 as well as Cl, NO3 and SO42- are present. This eluent can be used to separate H2PO4 and F.

Sample : 100micro-L each

Anion standards

1. H2PO4?10mg/L

2. F 1mg/L

3. Cl 1mg/L

4. NO2 5mg/L

5. Br 5mg/L

6. NO3 5mg/L

7. SO42- 5mg/L

5-fold diluted
River water (Water)

1. H2PO4

3. Cl

4. NO2

5. Br

6. NO3

7. SO42-

 Column : Shodex IC I-524A
 Eluent : 2.0mM Phthalic acid + 1.84mM Tris(hydroxymethyl)aminomethane + 300mM Boric acid aq.
 Flow rate : 1.2mL/min
 Detector : Shodex CD
 Column temp. : 40°C