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A Constant-Temperature Raman Cell for the Study of Supersaturated Aqueous Solutions

Volume 40, Number 2 (Feb. 1986) Page 282-283

McMahon, Paula M.; Cerreta, Michael K.; Berglund, Kris A.; Larson, Maurice A.


In order that the phenomena of crystal nucleation and growth from solution can be fully understood, the current knowledge of supersaturated solution structure must be extended. Previous studies on Raman spectroscopy of aqueous metal nitrate solutions indicated the presence of solvated ions, solvent separated ion pairs, contact ion pairs, and ion agglomerates as a function of concentration. Unfortunately, the concentration range of these studies did not include supersaturated solutions. It is the purpose of this work to describe an experimental technique which allows the study of supersaturated solutions.