Summary
Using infrared absorption spectroscopy a method has been developed which permits the identification, either singly or in admixture, of the following anions: ferrocyanide, ferricyanide, cobalticyanide, chlorate, bromate, perchlorate, periodate, nitrate, nitrite, tungstate, molybdate and chromate. The anions are precipitated by nitron, and using the KBr-disc technique characteristic bands are obtained in the near infrared.
Zusammenfassung
Durch Infrarotabsorptionsspektroskopie lassen sich entweder allein oder in Gemischen folgende Anionen identifizieren: Cyanoferrat(II), Cyanoferrat(III), Cyanokobaltat, Chlorat, Bromat, Perchlorat, Perjodat, Nitrat, Nitrit, Wolframat, Molybdat und Chromat. Die Anionen werden mit Nitron gefällt und geben bei Verwendung einer Kaliumbromid-Linse charakteristische Banden im nahen Infrarot.
Résumé
On a développé une méthode permettant l'identification par spectrographie d'absorption infrarouge des anions suivants, séparément ou en mélanges: ferrocyanure, ferricyanure, cobalticyanure, chlorate, bromate, perchlorate, periodate, nitrate, nitrite, tungstate, molybdate et chromate. On précipite les anions par le nitron et l'on met en évidence les bandes caractéristiques dans l'infrarouge proche, par la technique à la pastille de KBr.
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Dedicated to ProfessorA. A. Benedetti-Pichler on the occasion of his 70th birthday.
One of us (S. A. E. S.) acknowledges gratefully the award of a scholarship from the U. A. R. Government, which has enabled him to take part in this work.
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Magee, R.J., Shahine, S.A.F. & Wilson, C.L. Infrared spectra for the identification of some inorganic anions using nitron as precipitant. Mikrochim Acta 52, 479–486 (1964). https://doi.org/10.1007/BF01218066
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DOI: https://doi.org/10.1007/BF01218066