Infrared absorption and water structure in aerosol OT reverse micelles

The structure of water in bis(2-ethylhexyl)sodium sulfosuccinate (AOT) micelles has been studied as a function of the [H2O]/[AOT] ratio (W) by using the absorption IR due to O−H stretching modes in the 3800–3000 cm−1 range. Three systems have been studied: water/AOT/carbon tetrachloride, water/AOT/n-heptane and water/AOT iso-octane. Experimental spectra are presented and discussed for the O−H stretching region both of H2O and isotopically diluted HDO molecules in D2O. We have restricted ourselves to the region of small amounts of water (0

Keywords:

• Absorption (pharmacology)
• Sodium
• Atomic physics
• Molecule
• Spectral line
• Physics
• Water content
• Counterion
• Infrared spectroscopy
• Analytical chemistry
• Micelle

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