Yttrium Ore

Rare earth metal ions in yttrium ore were analyzed using IC R-621. Yttrium ore is heated and dissolved in 1% HCl solution and diluted to 0.2% with purified water.


Sample :
1. Lu, Lutetium
2. Yb, Ytterbium
3. Tm, Thulium
4. Er, Erbium
5. Ho, Holmium
6. Y, Yttrium
7. Dy, Dysprosium
8. Tb, Terbium
9. Gd, Gadolinium
10. Eu, Europium
11. Sm, Samarium
12. Nd, Neodymium
13. Pr, Praseodymium
14. Ce, Cerium
15. La, Lanthanum		 


Columns      : Shodex IC R-G (4.6mmID*10mm) + R-621 (6.0mmID*50mm)
Eluent       : (A): 0.1M alpha-Hydroxyisobutyric acid(pH4.0,adjusted by NaOH)
               (B): 1M alpha-Hydroxyisobutyric acid(pH4.0,adjusted by NaOH)
               Step gradient: 0min to 15min, 100% (A) 
                              15min to 25min, 20% (B) 
                              after 25min, 100% (B)
Reagent      : 0.005(W/V)% Arsenazo III/0.1M Formate(pH3.5)
Flow rate    : (Eluent); 1.0mL/min, (Reagent); 1.0mL/min
Detector     : VIS(655nm)
Column temp. : 40deg-C