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Light‐scattering spectrum in the region of the upper, lower and double critical points in guaiacol—glycerol solution
Author(s) -
Chaikov L. L.,
Fabelinskii I. L.,
Krivokhizha S. V.,
Lugovaya O. A.,
Citrovsky A.,
Jany P.
Publication year - 1994
Publication title -
journal of raman spectroscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.748
H-Index - 110
eISSN - 1097-4555
pISSN - 0377-0486
DOI - 10.1002/jrs.1250250706
Subject(s) - guaiacol , glycerol , miscibility , radius , raman spectroscopy , exponent , spinodal decomposition , dynamic light scattering , viscosity , hydrodynamic radius , analytical chemistry (journal) , light scattering , chemistry , critical exponent , thermodynamics , materials science , scattering , physics , optics , chromatography , organic chemistry , phase (matter) , phase transition , nanotechnology , polymer , philosophy , computer security , nanoparticle , linguistics , computer science , catalysis
The viscosity temperature dependence and the correlation radius of concentration fluctuations have been obtained in guaiacol‐glycerol solutions with various miscibility gaps up to a gap width Δ T = 0.01 °C. The correlation radius critical exponent ν changes from 0.63 when Δ T = 39°C to 0.53 when Δ T = 0.01 °C. Measurements were made using the light correlation spectroscopy method.