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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 19, Number 1
BKCSDE 19(1)
January 20, 1998 

Spectroscopic Studies of Eu(Ⅲ) Complexes with Iminodiacetic and Methyliminodiacetic Acids
Dong-Cheul Kim, Soo-Kyung Yoon, Jun-Hyun Bae, Jong-Goo Kim, Youn-Doo Kim, Jun-Gill Kang*
The luminescence spectra of Eu(Ⅲ) complexes have been measured as a function of molar metal-to-ligand ratio and pH. The ligands used in this study are tridentate iminodiacetate (IDA) and methyliminodiacetate (MIDA). The 620 nm emission band, attributed to the 5D0→7F2 transition, is monitored to investigate the optimum condition for EuL33- complex formation in aqueous state. In addition, the sensitivity of the 465 nm absorption band, attributed to the 7F0→5D2 transition, to the ligand environment has been also investigated.
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