By Institute of Physical Chemistry, Bulgarian Academy of Sciences
Tensiometer system for investigation of interfacial surfaces by profile analysis of drop and/or bubble. The apparatus (RAT-1, Sinterface) allows determination of the rheological properties of adsorption layers in liquid phase boundary. The system is completely equipped, incl. a double-dosing system for the exchange of the liquid in the hanging drop, as well as a module for testing the dynamics of spreading and measuring the angle of wettability on the solid phase boundary. The apparatus is located in a special air-conditioned laboratory environment ("clean room and box with an aspiration system for capturing particulate matter") to maintain the controlled conditions of conducting experiments involving liquid surface and is associated with highly programmable thermostat. Additionally it is equipped with a system for 24/7 remote control and data processing over the Internet, combined with remote activation / deactivation in national GSM radio network (with optional full management in GSM / UMTS).
