A Mössbauer spectroscopic study of the system iron(II) chloride + ascorbic acid dissolved in methanol, containing the iron(II)-ascorbate complex cation in equilibrium with chloride ions, revealed that when the methanolic solution was fixed as submicroscopic (nanosize) droplets in the cavities in a solid carrier (microemulstion or porous silicate), there was a significantly decreased electric field gradient around the iron centre, indicating the direct coordination of chloride to the iron(II), leading to an ascorbate-chloro mixed complex. The change is due to the different solvation of the species in the nanosize holes in the carrier.
|Number of pages||6|
|Journal||Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy|
|Publication status||Published - May 1995|
ASJC Scopus subject areas
- Analytical Chemistry
- Atomic and Molecular Physics, and Optics