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Spectrophotometric determination of ruthenium(III) using diphenylcarbazone

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Summary

The purple violet ruthenium(III)-diphenylcarbazone complex which is formed at p h 5–7, and has an absorption maximum at 530 nm with molar absorption coefficient 16.2·104l.cm−1.mole−1 is suggested for the estimation of 20–125μg ruthenium(III) spectrophotometrically in 30–60% ethanol. The complex is stable over p h range 3.2–8.4. The limits of interference due to foreign ions have been studied.

Zusammenfassung

Der bei p h 5 bis7 entstehende Ruthenium(III)-Diphenylcarbazon-Komplex hat ein Absorptionsmaximum bei 530 nm und einen Absorptionskoeffizienten von 16,2·104 l.cm−1.Mol−1. Die spektrophotometrische Bestimmung von 20 bis 125μg Ruthenium(III) in 30 bis 60%igem Äthanol mit Hilfe dieses zwischen p h 3,2 und 8,4 beständigen Komplexes wurde vorgeschlagen. Die Störung durch Fremdionen wurde geprüft.

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Bhatia, P.G., Manku, G.S., Bhat, A.N. et al. Spectrophotometric determination of ruthenium(III) using diphenylcarbazone. Mikrochim Acta 59, 788–793 (1971). https://doi.org/10.1007/BF01217107

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  • DOI: https://doi.org/10.1007/BF01217107

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