Chem. J. Chinese Universities ›› 1992, Vol. 13 ›› Issue (7): 916.

• Articles • Previous Articles     Next Articles

Studies on the Oscillopolarographic Adsorptive Wave of Rare Earth Elements(Ⅲ)-DBF-Chlorophosphonazo Complex

YAN Rong, SHI Wen-zhao, CAI Qian-tao   

  1. Department of Chemistry, Huazhong University of Science and Techndoge, Wuhan, 430074
  • Received:1991-07-30 Online:1992-07-24 Published:1992-07-24

Abstract: The oscillopolarographic behaviour and the current property of the title complex in NH4Cl solution have been investigated.Anew simple, sensitive and selective oscillopolarographic method has been established for the determination of a trace amount of total rare earths.The detection limit is 1.4× 10-8 mol RE(Ⅲ)/L.

Key words: Rare earths, DBF-chlorophosphonazo, Complex adsorption wave, Polarography

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