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Digitale Medien

Fourier transform surface viscoelastic modulus of dilute aqueous solutions of surfactants. Improved computational methods (1981)

Loglio, G. ; Rillaerts, E. ; Joos, P.

Springer

Colloid & polymer science 259 (1981), S. 1221-1227

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Details

ISSN: 1435-1536

Schlagwort(e): Surface dilational modulus ; Surfactant solutions ; Fourier transformation ; Step perturbation technique

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie , Maschinenbau

Notizen: Summary Computational procedures are devised which allow accurate magnitude spectra of the modulus ɛ(v) to be evaluated from the observed tansient surface tension decay. This is achieved by proper data manipulation and by adaptation of FT algorithms, taking into account the particular characteristics of the time — and frequency — domain functions relevant to the examined dynamic properties of fluid interfaces. Numerical examples, given for 1) exponential-type and 2) diffusion-controlled relaxation mechanisms, show satisfactory accuracy.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01525018

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