FT-Raman spectroscopic studies of metal oxalates and their mixtures

The Raman spectra of a number of Group I and II metal oxalates are presented. From quantitative spectroscopic studies of the pure compounds and of mixtures of calcium, potassium and magnesium oxalates, it has been demonstrated that each component can be determined in the prepared mixtures to better...

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Bibliographic Details
Published in:Spectrochimica acta. Part A: Molecular spectroscopy 1994-10, Vol.50 (11), p.1891-1898
Main Authors: Edwards, H.G.M., Lewis, I.R.
Format: Article
Language:English
Subjects:
FT-Raman
NIR
oxalates
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Summary:The Raman spectra of a number of Group I and II metal oxalates are presented. From quantitative spectroscopic studies of the pure compounds and of mixtures of calcium, potassium and magnesium oxalates, it has been demonstrated that each component can be determined in the prepared mixtures to better than 2%. Comparisons made with the Raman spectra of lithium and sodium oxalates indicate that there are characteristic differences in the observed spectra of the Group I metal oxalates and that several vibrational bands of C 2O 2− 4 are sensitive to the cation, being shifted to lower wavenumbers as the cation mass increases from Li to K.
ISSN:0584-8539
DOI:10.1016/0584-8539(94)80201-7