Study on the dual-system and double-wavelength spectrophotometry

Abstract

A new technique, dual-system and double-wavelength spectrophotometry has been developed. The method is based on the selection of the wavelength pair in 2 independent colored complex systems. By suitable choosing of R and L systems both the anti-interference ability and the sensitivity could be effectively increased, and its adaptability is better than that in the conventional double-wavelength spectrophotometric method. This new method has been theor. deduced and experimental proved in the simultaneous determination of Cu(II), Ni(II) and Cd(II), Mn(II) pairs.

Key words: SPECTROPHOTOMETRY, BINARY SYSTEM, NICKEL, MANGANESE, COPPER, CADMIUM, COLOR REACTION, DUAL-WAVELENGTH

CLC Number:

O657

Cite this article

XI CHANGSHENG;LI JINHE;HAN CHAO;SHI HUIMING. Study on the dual-system and double-wavelength spectrophotometry[J]. Acta Chimica Sinica, 1987, 45(9): 860-864.

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