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Identification of hydrolysis products of FeCl3 · 6H2O by ESI-MS

✍ Scribed by Heikki Hellman; Risto S. Laitinen; Leena Kaila; Jorma Jalonen; Vesa Hietapelto; Jukka Jokela; Arja Sarpola; Jaakko Rämö

Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
310 KB
Volume
41
Category
Article
ISSN
1076-5174

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✦ Synopsis

Abstract

The hydrolysis reactions of FeCl~3~ in 0.1 mM aqueous solutions were monitored by electrospray ionisation time‐of‐flight mass spectrometry (ESI‐ToF‐MS). In contrast to the other ionisation techniques, electrospray ionisation provides information on the composition of the elemental cores even in water and salt cluster ions. Therefore, the technique facilitates detection of the bonding of the chloride ions in the oxo–hydroxo–iron cores. A variety of mononuclear and polynuclear iron–oxohydroxo–chloride complexes were characterised from the cationic and anionic mass spectra of iron(III) solutions. Oxidation and reduction reactions of iron, as well as competition between OH^−^ and Cl^−^ ions within one iron core, were also observed. Copyright © 2006 John Wiley & Sons, Ltd.

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