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Complexes of the metallochromic substances. I

Some basic problems

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Summary

The basic requirements of the optimum conditions for complex formation between a metal ion and a complexing (metallochromic) reagent are shown. Various modes of interference and conditions for neglecting the interference reactions are discussed from a most general view-point. Some important aspects of the sensitivity of spectrophotometric reactions are shown (such as the role of individual donor groups, the meaning of the electronic resonance of the dye, the type of the metal chelate binding, the solubility, and the role of the solvent used).

Zusammenfassung

Die optimalen Bedingungen für die Komplexbildung zwischen Metallion und (metallochromem) Komplexbildner werden erörtert. Die verschiedenen Arten von Störungen sowie Bedingungen für die Ausschaltung der Störreaktionen werden diskutiert. Einige wichtige Faktoren für die Empfindlichkeit von spektralphotometrischen Reaktionen werden aufgezeigt (wie die Rolle von einzelnen Donorgruppen, die Bedeutung der Elektronenresonanz des Farbstoffmoleküls, der Typus der Metallchelatbindung, die Löslichkeit und die Rolle des verwendeten Lösungsmittels).

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Buděšínský, B. Complexes of the metallochromic substances. I. Z. Anal. Chem. 206, 262–269 (1964). https://doi.org/10.1007/BF00523195

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  • DOI: https://doi.org/10.1007/BF00523195

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