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Rain Water (NI-424)

 

Four kinds of anions in rain water were analyzed using IC NI-424.

Sample : Rain water (Water), 100micro-L

1. Cl

2. NO2

3. NO3

4. SO42-

 

 
 Column : Shodex IC NI-424 (4.6mmID*100mm)
 Eluent : 8mM 4-Hydroxybenzoic acid + 2.8mM Bis-Tris + 2mM Phenylboronic acid + 0.005mM *CyDTA aq. 
 Flow rate : 1.0mL/min
 Detector : Shodex CD
 Column temp. : 40°C

* CyDTA: trans-1,2-Diaminocyclohexane-N,N,N’,N’-tetraacetic acid