Electro-optical device for surface and interface tension measurement
Anno: 1983
Autori: Baglioni P., Francini F., Gabrielli G., Longobardi G.
Affiliazione autori: Istituto di Chimica Fisica, Università di Firenze, Italy;
Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy
Abstract: A description is given of a high resolution electro-optical device that supplies, in real time, values of surface tension of a drop of macromolecular substances as a function of time up to the equilibrium (pendant drop method). The optical system has a high magnification and high free working distance; the detection system consists of an optical scanner and a self scanned device. The application to automated drop inspection is discussed in relation to the other form of inspection systems.
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Parole chiavi: Interface tension; Macromolecular substances; Polymeric systems; Surface tension; Temperature dependence, electrooptical devicesDOI: 10.1117/12.934411