Interaction of Marangoni convection with mass transfer effects at droplets

For the system water–acetone–toluene the mass transfer is measured up to a pressure of 200 bar at a constant temperature of 20 °C for two different concentrations at quiescent pendant droplets. The measurements are compared to empirical predictions. The influence of a surfactant is investigated. A three-mode magnetic suspension balance is used to measure the transfer. Additionally, a Schlieren optic is applied to visualise the convection.