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Bailey BW, Dagnall RM, West TS. Analytical applications of ternary complexes-II Spectrophotometric determination of copper as rose bengal bisphenanthrolinium copper(II). Talanta. 1966;13(5):753-61doi: 10.1016/0039-9140(66)80011-5.
Bailey, B. W., Dagnall, R. M., & West, T. S. (1966). Analytical applications of ternary complexes-II Spectrophotometric determination of copper as rose bengal bisphenanthrolinium copper(II). Talanta, 13(5), 753-61. https://doi.org/10.1016/0039-9140(66)80011-5
Bailey, B W, et al. "Analytical applications of ternary complexes-II Spectrophotometric determination of copper as rose bengal bisphenanthrolinium copper(II)." Talanta vol. 13,5 (1966): 753-61. doi: https://doi.org/10.1016/0039-9140(66)80011-5
Bailey BW, Dagnall RM, West TS. Analytical applications of ternary complexes-II Spectrophotometric determination of copper as rose bengal bisphenanthrolinium copper(II). Talanta. 1966 May;13(5):753-61. doi: 10.1016/0039-9140(66)80011-5. PMID: 18959934.
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Talanta. 1966 May;13(5):753-61. doi: 10.1016/0039-9140(66)80011-5.

Analytical applications of ternary complexes-II Spectrophotometric determination of copper as rose bengal bisphenanthrolinium copper(II).

Talanta

B W Bailey, R M Dagnall, T S West

Affiliations

  1. Chemistry Department, Imperial College, London S.W.7., England.

PMID: 18959934 DOI: 10.1016/0039-9140(66)80011-5

Abstract

A ternary complex system, [(Cu.phen(2))Rose Bengal], is proposed for the determination of traces of copper ion. The reaction is rendered specific for copper amongst 56 cations and most anions by extraction of bis(2,9-dimethyl-1,10-phenanthrolinium) copper(I) from an EDTA medium. Because of the high molar absorptivity, 62,500, solutions containing 0.002 ppm of copper may be analysed without difficulty. The colour system is stable for a period of days.

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