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한국응용과학기술학회지
(The Korean Society of Applied Science and Technology)
Vol.18 No.1 (2001.03)
pp.12-19
pp.12-19
한국응용과학기술학회(구 한국유화학회)
(The Korean Society of Applied Science and Technology (KSAST))
초록
Eu(III) exhibits one electron-transfer reduction at E1/2 = -0.564 V(vs. Ag/AgCl) and the hypersensitive peak at 615 ㎚ corresponding to 5D0→7F2 transition in 0.1 M LiClO4 aqueous solution. Upon the addition of 2,6-pyridine dicarboxylic acid(PDA) to the Eu(III) aqueous soultion, the reduction potential shifts negatively and the PDA, and the Eu(III)-PDA complex emits great fluorescence than free-Eu(III) ion at 615 nm. The results are interpreted in term of the electrochemical and spectrofluorometric studies.
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