Acoustic and Electroacoustic Spectrometer (DT1202 / Dispersion Technology)

    Equipment/facility: Equipment

    • LocationShow on map

      Lab 1-004, First Floor, ADRIC, SAS Al-Nakhil Campus

    Equipments Details


    The DT1202 instrument is used for performing particle size and zeta potential measurements of concentrated dispersions, emulsions and liquids in a single unit. The measuring chamber of DT-1202 contains both acoustic and electro-acoustic sensors. The acoustic sensor characterizes particle size distribution by measuring ultrasound attenuation at set of frequencies from 1 to 100 MHz and sound speed. The same ultrasonic raw data can be used for calculating compressibility, elastic modulus and longitudinal viscosity of any liquid sample. The particle size can be measured within the range of 5 nm to 1000 µm and the limit for pH measurement is 13.5. The electroacoustic sensor is used for measuring zeta-potential in concentrates without dilution and the measured parameters are magnitude and phase of the electroacoustic signals. The Zeta potential is measured in the range of ± (0.5%+0.1) mV. The sample size required for the standard measuring chamber is 120 mL and the volume fraction of solids in the samples should be in the range of 0.1 % to 50%. The unit also includes an incubator which is used for sample analysis at variable temperatures from +2°C above the ambient condition up to 62°C. Key features include: • Particle Size Distribution • Zeta Potential and Iso-electric point • Compressibility and bulk viscosity • Non-aqueous conductivity and debye length • Acoustic attenuation and sound speed


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