Methods for determination of physico-chemical and mechanical properties of materials

STA 449 F3 Jupiter (Netzch Geratebau GmbH) with TGA-IR module TENSOR (Bruker)
Contact:
Bratislava: doc. Ing. Miroslav Boča, DrSc.. e-mail: miroslav.boca@savba.sk (Bratislava)
 
  • Simultaneous high-temperature thermal analyser with the possibility to measure following characteristics: thermogravimetric analysis (TG), differential scanning calorimetry (DSC) and differential thermal analysis (DTA) in range to 1600°C.
  • Alternative use of two high-temperature furnaces to 2000°C and to 1650°C, possible measuring in controlled atmosphere and in vacuum, contains built-in mass flow control system for gases and possible connecting of weight spectrometer for gas analysis
  • Generally employed for study of physical and thermic processes in materials with thermal effect (crystallization, melting, evaporation, dissociation, chemical reactions between components etc.
  • FTIR analysis of gasses evolving during measurement is available via connection to IR module

 

MCR501 (Anton Paar GmbH)

Contact: Ing. Ondrej Hanzel, PhD. e-mail: ondrej.hanzel@savba.sk

  • MCR rheometer covers all rheological applications from routine quality control to high-end research and development applications.

HAAKE MARS III (ThermoFisher Scientific)

Contact: Mgr. Peter Švančárek, PhD., peter.svancarek@tnuni.sk

The Haake MARS III is rotational and dynamic rheometer specifically designed for quality control and research of fluids, slurries, pastes, gels, creams, suspensions and polymer melts. The instrument is modular regarding temperature control systems, ranging from liquid temperature controlled cylinder systems to Peltier temperature controlled parallel or cone and plate systems to electrically heated high temperature capability. Device allows measurement at various oscilation amplitudes and viscosity measurements ranging from 0,5 mPas up to 10 000 000 mPas at shear rates from 0,001 up to 11 415 s-1

  • shear rate from 0,001 up to 11 415 s-1
  • viscosity range from 0,5 to 10 000 000 mPas
  • rotational speed from 0,001 up to 1500 rpm
  • frequency range from 10-6 to 100 Hz
  • temperature range from -20 to 200 °C (Peltier temperature control unit)
  • magnification 20x
  • resolution 1 μm (at 20x focus)
  • progressive-scan CCD camera with resolution 1024 x 768 pixels
  • acquisition 15 images per second (tiff)

 

Ultrapyc 1200e (Quantachrome Instruments)

  • Device for density measurements of powder and solid samples
  • Used for research and quality control in such industries as ceramics, catalysts, cements, glass fibers, minerals, powdered metals and other materials
  • Precision min. 0,0001 g.cm-3, for samples with volume from 0,1 to 135 cm3
  • Convertible measuring cells with volume of 0,25, 10, 50 and 135 cm3
  • Special measuring cells: non-elutriating sample cells which are available for measurement of very fine powders with volume 10 and 5 cm3.

Contact: Ing. Anna Prnová, PhD., e-mail: anna.prnova@tnuni.sk

 

Zetasizer – Nano ZS 3601 (Malvern Instruments Ltd.)

  • measuring of particle size using DLS method in the range of 0.3 nm – 10 µm
  • measuring of zeta potential and electrophoretic mobility of particles in suspensions

Contact: Ing. Jaroslav Sedláček, PhD. e-mail: jaroslav.sedlacek@savba.sk

 

Zeta Potential Analyzer BI-ZTU (Brookhaven Instruments Corporation)

Device for simultaneous particle size measurements and zeta potential measurements in suspensions.

Complex determination of dispersion level in ceramic suspensions, measurements of particle size distribution ranging from 1nm to 5 µm, including added automatic titration station for zeta potential measurements pH ranging from 2 to 12

Verification of optimal dispersion of ceramic powders in suspension

  • Particle sizing range 2 nm to 3 μm
    • Temperature control: 5 – 75°C (± 0,1°C)
    • Sample volume: 1 to 3 cm3
    • Laser: 35 mW (660 nm – red)
  • Zeta potencial:
    • -150 to +150 mV
    • Temperature control: 6 – 74°C (± 0,1°C)
    • Size range: 10nm to 30 μm
    • Sample volume: 1,5 cm3
    • Laser: 35 mW (660 nm – red)
    • Autotitrator: BI-ZTU: pH 2 to 12

Contact: Ing. Anna Prnová, PhD., e-mail: anna.prnova@tnuni.sk

  

Potentiostat Modulab ESC-MTS (Solartron Analytical)

Modular electrochemical research system for measurements of electrochemical properties of materials and compounds. ModuLab system allows electrochemical measurements (potentiostatic/galvanostatic) in melted salts, glassforming melts, and in both aqueous and non-aqueous compound solutions (solutions with high resistance). Frequency analyser allows measurements of impedance properties of materials (glass, ceramic and glass-ceramic) and compounds in broad range of impedancy, frequency and temperatures.

Contact: Ing. Róbert Klement, PhD., robert.klement@tnuni.sk