An investigation of the applicability of attenuated total reflection infrared spectroscopy for measurement of solubility and supersaturation of aqueous citric acid solutions

Dilum D. Dunuwila, Leslie B. Carroll, Kris A. Berglund

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Abstract

Currently applied methods for measurement of solubility and supersaturation based on viscometry, refractometry, interferometry and density require the separation of phases prior to measurement. ATR (attenuated total reflection) infrared spectroscopy provides a unique configuration in which the infrared spectrum of a liquid phase can be obtained in a slurry without phase separation. The applicability of the technique was investigated using a micro Circle® open boat cell equipped with a ZnSe (zinc selenide) ATR rod. Experiments conducted with aqueous citric acid proved that ATR infrared spectroscopy can be successfully employed to determine solubility and supersaturation.

LanguageEnglish (US)
Pages561-568
Number of pages8
JournalJournal of Crystal Growth
Volume137
Issue number3-4
DOIs
StatePublished - Apr 1 1994

Profile

citric acid
Supersaturation
Citric acid
supersaturation
Citric Acid
Infrared spectroscopy
solubility
Solubility
infrared spectroscopy
zinc selenides
viscometry
Viscosity measurement
boats
Boats
Interferometry
Phase separation
interferometry
liquid phases
Zinc
rods

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

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