Chinese Journal of Applied Chemistry

Chinese Journal of Applied Chemistry ›› 1985, Vol. 0 ›› Issue (3): 12-17.

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STUDIES ON HIGHER DERIVATIVE ABSORPTION SPECTRA OF RARE EARTH IONS IN PERCHLORIC ACID AND THEIR ANALYTICAL APPLICATION Ⅲ.DETERMINATION OF PRASEODYMIUM,NEODYMIUM,SAMARIUM,EUROPIUM,DYSPROSIUM,ERBIUM,AND THULIUM IN THE RARE EARTH MIXTURE BY DERIVATIVE SPECTROPHOTOMETRY

Ren Ying, Tong Yulan   

  1. Changchun Institute of Applied Chemisry, Academia Sinica
  • Received:1984-07-13 Revised:1984-12-13 Published:1985-09-10 Online:1985-09-10

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Abstract: A higher derivative spectrophotometric method for the determination of individual rare earths has been developed. The method described appears quite adequate in terms of rapidity and simplicity and has been applied to the determination of Pr, Nd, Sm, Eu, Dy, Ho, Er and Tm in mixed rare earth samples with satisfactory results.

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