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Tracker - Model HTHP - High Temperature and Pressure Up to 200°C 500 bar
The tensiometer Tracker HTHP allows real time determination of dynamic interfacial (superficial) tension and viscoelastic modulus on liquid/liquid or liquid/gas environments. It can also determine dynamic contact angle of a liquid on a solid. All these measurements can be performed at a temperature up to 200°C and a pressure up to 500 bar.
Interfacial tension is determined by performing a digital analysis of a droplet profile. The drop is filled in with the 1st fluid and is formed in a measurement cuvette containing the 2nd medium. The principle is the same for determining liquid/solid contact angle.
The drop is illuminated by a uniform light source. An optical lens generates an image of the drop`s profile on a CCD camera. This profile is analyzed by the software. The interfacial tension is then determined by the Laplace equation.
Measurements are displayed in real time. Values of interfacial tension, drop volume and drop area are calculated in real time.
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Same applications as the single drop tensiometer
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Supercritical CO2
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Petroleum, bitumen experiments
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Smelt polymer
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Contact angle under pressure
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Compatible with methane