江河水中1价、2价阳离子的分析 (添加乙二胺) (YS-50)
时间:2024-08-23 阅读:187
Sample : 50 μL
Cation std. containing EDA 50 mg/L
1. Li+ 2 mg/L
2. Na+ 10 mg/L
3. NH4+ 10 mg/L
4. K+ 20 mg/L
5. Mg2+ 10 mg/L
6. Ca2+ 20 mg/L
7. Ethylenediamine, EDA 50 mg/L
Sample : 50 μL
River water containing EDA 50 mg/L
2. Na+
3. NH4+
4. K+
5. Mg2+
6. Ca2+
7. Ethylenediamine, EDA 50 mg/L
Column : Shodex IC YS-50 (4.6 mm I.D. x 125 mm)
Eluent : 4 mM Nitric acid + 1.5 mM 18-Crown 6-ether aq./CH3CN=90/10
Flow rate : 1.0 mL/min
Detector : Non-suppressed conductivity
Column temp. : 40 ℃