Malvern Instruments Zetasizer Nano-ZS

Location
Chemistry, University of Warwick (C318)
Custodian
d dot lester at warwick dot ac dot uk
Applications

Measures size and zeta potential of colloids to give information on stability, polydispersity of nanoparticles, and presence of aggregates (e.g. of proteins). Can be used in analysing size of colloids and nanoparticles, pigments and inks, Protein size, proteomics, melting point, colloid stability, water treatment, isoelectric point determination.

Specification
  • Measures hydrodynamic size and zeta potential
  • Particle size (0.6 nm – 6 µm diameter) over the molecular weight range (1000 – 2x107 Da) Temperature control 0 – 90 °C
  • 4mW HeNe laser 632.8 nm


 zetasizer

Malvern Instruments Mastersizer 2000 System

Location
Chemistry, University of Warwick (C318)
Custodian
d dot lester at warwick dot ac dot uk
Applications

Measures particle radius of a variety of wet or dry powders, dispersions or emulsions by laser diffraction.

Specification
  • Size range 0.2 μm – 2000 μm
  • Sizing on emulsions, suspensions and dry powders
  • Dual wavelength; HeNe (red) and solid state (blue) lasers


AM2 mastersizer

CPS Instruments AS200 Disc Centrifuge

Location
Chemistry, University of Warwick (C318)
Custodian
d dot lester at warwick dot ac dot uk
Applications

Measures particle size via sedimentation behaviour. Applications include polymer latexes and emulsions, silica dispersions, micro-encapsulated drugs, pigments, and starch particles.

Specification
    • Size range approximately 5 nm – 50 μm depending on density
    • Dynamic range (ratio of largest to smallest sizes) ~ 70 with constant centrifuge speed
    • Maximum speed 24,000 rpm
    • High resolution (can separate 2% size difference)
      disc centrifuge

      Nanosight LM10 Dark Field Particle Tracker

      Location
      Chemistry, University of Warwick (C309); Chemistry, University of Birmingham (floor 1)
      Custodian
      d dot lester at warwick dot ac dot uk; Professor Jon Preece
      Applications

      Particle sizing using Brownian motion tracking for a variety of applications, including ceramics, viruses, colloidal suspensions, polymer nanoparticles, and wear debris in lubricants.

      Specification
          • Particles illuminated by 40 mW 640 nm laser tracked and quantified by software
          • Size range typically 10 – 1000 nm
          • Sample volume 0.3 ml
          • Polydisperse and multimodal systems identifiable
               nanosight LM10

              Beckman Coulter Delta Nano C

              Location
              Chemistry, University of Birmingham (floor 1)
              Custodian
              Professor Jon Preece
              Applications

              Instrument for analyzing charge and size of nanoparticles

              Specification
              • Particle size 0.6 nm - 7 µm
              • Zetapotential (-100 mV - +100 mV)
              • Concentration 0.001 – 40%
              • pH 1 - 13
              • Temperature 10 – 90°C
              Beckman Coulter

              Sympatec particle size and shape analyser

              Location
              Chemical Engineering, University of Birmingham (102/103)
              Custodian
              Dr Rachel Bridson
              Applications

              Characterisation of particulate systems (dry and wet dispersions)

              Specification
              • Particle sizes 1 μm – ?
              • Aerodispersions, sprays
              • High-speed camera up to 500 Hz
              • Study of agglomerated fine and cohesive powders (1 µm – ?)
              • Laser diffraction sensor 0.1 µm – 875 µm for wet and dry samples
               sympatec