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5 Experimental Verification of Dynamic Scaling Theories and Discussions

Figure 5.46: Semilogarithmic plots of mutual diffusion coefficient, according to Eq.(4.35);Left Figure: ternary mixture α′; Right figure: ternary mixture α′′; Lower fig- ure: ternary mixture at col point.

into account that qc is one of the parameters which are controlling the overlap between mean field and critical range, the unusual behavior corresponds with the anomaly of crit- ical amplitude (see Sec.(5.5.2)) SBF in (NE-CH). However, this correspondence is only an assumption. Another question which should be treated within framework of dynamic light scattering is the behavior of critical exponents. The assumption has been made that adding a third component to a binary critical mixture does not only alter the critical expo- nents but also change or influence the correction to scaling. In fact, in literature this kind of behavior has been reported [41] in the case of the ternary mixture aniline-cyclohexane- p-xylene. In that work it was observed that, due to the existence of the third component, an enlargement of the critical static and dynamic exponents results. In the present thesis,

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