使用阴离子分析柱IC NI-424利用非抑制器法分析甲基磺酸和甲基二磺酸。


Sample : 50 μL
1. Methanesulfonic acid 20 mg/L
2. SO₄^2- 10 mg/L
3. Methanedisulfonic acid 20 mg/L

Column       : Shodex IC NI-424 (4.6 mm I.D. x 100 mm)
Eluent       : 8 mM 4-Hydroxybenzoic acid + 3.4 mM Bis-Tris + 2 mM Phenylboronic acid 
               + 0.005 mM *CyDTA aq.
Flow rate    : 1.0 mL/min
Detector     : Non-suppressed conductivity
Column temp. : 40 ℃

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