Light scattering ratios, calculated

The incorporation of non-Gaussian effects in the Rouse theory can only be accomplished in an approximate way. For instance, the optimized Rouse-Zimm local dynamics approach has been applied by Guenza et al. [55] for linear and star chains. They were able to obtain correlation times and results related to dynamic light scattering experiments as the dynamic structure factor and its first cumulant [88]. A similar approach has also been applied by Ganazzoli et al. [87] for viscosity calculations. They obtained the generalized ZK results for ratio g already discussed. 

Fig. 1.5.6 Polarization ratio of the scattered lighi against the angle for the unreacted titanium (IV) ethoxide, Ti(OEt)4, aerosol generated at 101°C, and the same aerosol reacted with water vapor at three distances (X) corresponding to 13, 39, and 340 ms reaction time. On the right-hand side are given calculated modal radii and refractive indices from the light scattering data. The bottom values are for the solid titania. (From Ref. 37.)...

The characteristic ratio of atactic polylferf.-butyl vinyl ketone) is determined from light scattering and viscosimetry measurements, and at 300 K in benzene the dipole moment ratio and its temperature coefficient are measured. Calculations of Ca and Da based on a two-state RIS model, with parameters independently derived from a previously developed semiempirical potential energy surface and from epimerization equilibrium measurements for dimeric and trimeric oligomers, are in excellent agreement with the experimental results. The predicted temperature coefficient is positive but lower in magnitude than that observed. 

Figure 7. Particle nucleation and growth kinetics determined by laser light scattering Rayleigh ratio vs. time. Exp. 1 no surfactant present Exp. 2 (SDS) = 6 X 10 4 mol dm 3. Theor Calculated from Curve 4, Figure 5, considering particle growth by polymerization.

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