A spectroscopic study of the mineral paceite (calcium acetate)

Musumeci, Anthony W., Frost, Ray L. and Waclawik, Eric R. (2007) A spectroscopic study of the mineral paceite (calcium acetate). Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy, 67 3-4: 649-661.


Author Musumeci, Anthony W.
Frost, Ray L.
Waclawik, Eric R.
Title A spectroscopic study of the mineral paceite (calcium acetate)
Journal name Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy   Check publisher's open access policy
ISSN 1386-1425
Publication date 2007-07
Sub-type Article (original research)
DOI 10.1016/j.saa.2006.07.045
Volume 67
Issue 3-4
Start page 649
End page 661
Total pages 13
Place of publication Netherlands
Publisher Elsevier BV
Language eng
Formatted abstract A comprehensive spectroscopic analysis consisting of Raman, infrared (IR) and near-infrared (NIR) spectroscopy was undertaken on two forms of calcium acetate with differing degrees of hydration. Monohydrate (Ca(CH3COO)2·H2O) and half-hydrate (Ca(CH3COO)2·0.5H2O) species were analysed. Assignments of vibrational bands due to the acetate anion have been made in all three forms of spectroscopy. Thermal analysis of the mineral was undertaken to follow its decomposition under a nitrogen atmosphere. Three major mass loss steps at ∼120, 400 and 600 °C were revealed. These mass losses correspond very well to firstly, the loss of co-ordinated water molecules, and then the loss of water from the acetate anion, followed by finally the loss of carbon dioxide from the carbonate mineral to form a stable calcium oxide.
Keyword Calcium acetate
Raman spectroscopy
Infrared spectroscopy
Near-infrared spectroscopy
Thermal stability
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collections: ERA 2012 Admin Only
Australian Institute for Bioengineering and Nanotechnology Publications
 
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