Nd-Dy Magnetic Alloy

Rare earth metal ions in Nd-Dy magnetic alloy were analyzed using IC R-621. 0.5g of the alloy is heated and dissolved in a mixture of 10mL of purified water and 5mL of HNO3, and then diluted to 0.2% with purified water.


Sample :
7. Dy, Dysprosium
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