Photoacoustic Spectrometry Investigation, and Determination of Rare Earth Ions Ho3+ arid Nd3+ in Liquid

Abstract

Abstract: The applications of the pulsed laser photoacoustic spectroscopy. to the rare earth spectra and trace analysis are presented. Ahome-made high sensitive photoacoustic transducer was used to. detect the photoacoustic signal in liquid. The high resolution photoacoustic spectra of Ho³⁺ ion in different, solvents, were mea-sured and compared with its absorption spectrum. It also discusses how the phqto-acoustic sensitivity is affected by laser pulse energy, temperature of measurement and the organic solvents which can be mixed with water. The trivalent rare earth ions Ho³⁺ and Nd³⁺ in aqueous acetonitrile solution had been determined. The detection limit is 5×10^-8mol/Lfor Ho³⁺,1.0×10^-7mol/Lfor Nd³⁺, and corresponds to the absor.bance of 1.5×10^-7 and 6.3×10^-7, respectively.

Key words: Laser, Photoacoustic Spectroscopy, Rare earth, Trace analysis

TrendMD:

Yan Hongtao, Deng Yanzhuo, Zeng Yun'e. Photoacoustic Spectrometry Investigation, and Determination of Rare Earth Ions Ho³⁺ arid Nd³⁺ in Liquid[J]. Chem. J. Chinese Universities, 1988, 9(6): 556.

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Photoacoustic Spectrometry Investigation, and Determination of Rare Earth Ions Ho³⁺ arid Nd³⁺ in Liquid

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