Diffusion and Soret in Ternary Mixtures. Preparation of the DCMIX2 Experiment on the ISS

We report on ground-based studies in course of preparation of the experiment DCMIX2 (Diffusion coefficient in mixtures) to be performed on the International Space Station (ISS). In microgravity experiment the diffusion and thermodiffusion coefficients will be measured at six points with different compositions of the ternary mixture Toluene-Methanol-Cyclohexane. This mixture attracts attention of the researchers, as it has a miscibility gap and...