Atomic Absorption Spcctrophotomctric Studies on Rare Earth Elements (Ⅵ)--The Effect of Sulfo-Group in the Molecule of Organic Reagentson flame Atomization Behavior of Ytterbium

Chem. J. Chinese Universities ›› 1991, Vol. 12 ›› Issue (1): 21.

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Atomic Absorption Spcctrophotomctric Studies on Rare Earth Elements (Ⅵ)--The Effect of Sulfo-Group in the Molecule of Organic Reagentson flame Atomization Behavior of Ytterbium

Wu De-huai, Zhou Zhi-ming, Song Xiao-dong, Lu Jin-you

Department of Chemical Engineering, Zhejiang Intitute of Technology, Hangzhou, 310032

Received:1989-01-07 Online:1991-01-24 Published:1991-01-24

Abstract

Abstract: The sensitivity and selectivity of some elements can be increased by organic reagents in theatomic absorption spectrophotometry. The effect of sulfo-group in the organic molecule of reagents on flame atomization of metal elements has not been reported. In the present paper, the effect of sulfo-group on the atomic absorption spectr9photometric behavior of ytterbium is studied in an air-acetylene flame. The results obtained indicate that there are a marked enhancement effect for organic reagents with sulfo-group in spite of the fact that there is or not bonding atom, and the bonding atom is nitrogen or/and oxygen. The number of sulfo-group affects the degree of sensibilization, and their relative position has not the influence basically. The mechanism of the enhancement effect of sulfo-group is also discussed.

Key words: Atomic absorption spectrophotometry, Ytterbium, Organic reagent, Sulfo-group

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Wu De-huai, Zhou Zhi-ming, Song Xiao-dong, Lu Jin-you . Atomic Absorption Spcctrophotomctric Studies on Rare Earth Elements (Ⅵ)--The Effect of Sulfo-Group in the Molecule of Organic Reagentson flame Atomization Behavior of Ytterbium[J]. Chem. J. Chinese Universities, 1991, 12(1): 21.

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Atomic Absorption Spcctrophotomctric Studies on Rare Earth Elements (Ⅵ)--The Effect of Sulfo-Group in the Molecule of Organic Reagentson flame Atomization Behavior of Ytterbium

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