Anion Standards (18) (NI-424)

Because of good separation of IC NI-424, nitrite ion can be separated and quantitatively determined even if the concentration of chloride ion is high.


Sample : 100micro-L
1. Cl^-
2. NO₂^-

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     : Non-suppressed coductivity
Column temp. : 40deg-C

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