Surfactant adsorption density calculation from Fourier transform infrared external reflection spectroscopy (FTIR/ERS)

Autor: Jan D. Miller, Keqing Fa
Rok vydání: 2003
Předmět:
Zdroj: The Journal of Chemical Physics. 119:13068-13076
ISSN: 1089-7690
0021-9606
DOI: 10.1063/1.1628224
Popis: An equation to calculate surfactant adsorption density from Fourier transform infrared external reflection spectra was established. The derivation and limitation of this equation are discussed in detail. The validation of the FTIR/ERS adsorption density equation was experimentally verified from the analysis of Langmuir–Blodgett films of stearic acid with and without calcium ions in the subphase at the air–water interface and at fluorite surface. In this way the properties of Langmuir–Blodgett films at the air–water interface are further characterized using FTIR/ERS.
Databáze: OpenAIRE