1价、2价阳离子 (6) (YS-50和YK-421的比较)
时间:2024-11-05 阅读:43
Sample :
1. Li+ 2 ppm
2. Na+ 10 ppm
3. NH4+ 10 ppm
4. K+ 20 ppm
5. Mg2+ 10 ppm
6. Ca2+ 20 ppm
Columns : Shodex IC YS-50 (4.6 mm I.D. x 125 mm) Shodex IC YK-421 (4.6 mm I.D. x 125 mm)
Eluent : 4 mM Methanesulfonic acid aq. 5 mM Tartaric acid
+ 1 mM Dipicolinic acid
+ 1.5 g/L Boric acid aq.
Flow rate : 1.0 mL/min 1.0 mL/min
Detector : Non-suppressed conductivity Non-suppressed conductivity
Column temp. : 40 °C 40 °C