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NanoZS (ZetaSizer) and Titrator MPT-2 (Malvern)
Page author : Delphine Tisserand.
This device allows the measurement of the diameter of nanoparticles as well as their surface charge at varying pH values.
NANO-ZS (ZETA-SIZER) AND TITRATOR MPT-2 (MALVERN) | |
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Framework for use | Device used within the framework of research projects at ISTerre and OSUG, or within the framework of external services. |
Technical specifications | Types of samples Spherical particles between 0.3 nm and 10 µm. Technical data Detection of Brownian particle movements by a red laser (632.8 nm). Analysis time on the order of a few minutes Concentration range : 100 to 400 mg/L . Minimum quantity : 12 µL. Types of Analysis Hydrodynamic diameter measurements of suspended spherical particles (principle of dynamic light scattering) and surface charge measurements of these particles (zeta potential). The instrument is also equipped with a titrator that allows the pH to be varied during acquisition (obtaining the zero charge point). |
Quality-Control | |
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