ISM Preparation & Evaluation Lab

Photo of lab coat hanging in Reiss Science Building, and a Dilute, submicron – Dynamic light scattering from Malvern

Mixing and separation

  • Centrifugation: Refrigerated model 5678 (Forma Scientific)
  • Shaking: Dual Action (Polyscience)
  • Bench top roller: (Wheaton)
  • Vortex mixer: (Baxter)

Dispersing in liquid

  • Stirred media milling: Szegvari Attritors Models 01STD and 01S (Union Process)
  • Milling media of various sizes and composition
  • High shear rate emulsification: Dispermat SL D-51580 (Reichshof, under upgrade)
  • High shear stress emulsification: Labortechnik RE 162/P (Janke & Kunnel)
  • Ultrasonic homogenization: Model  CP130 (Cole-Palmer)
  • Rotor-stator homogenization: PT 10/35 (Brinkmann)

Particle sizing

  • Particles in air: Particle Size Distribution Analyzer Model 3603 (TSI)
  • Dilute, submicron – Dynamic light scattering
  • Submicron Particle Sizer Model 370 (NICOMP)
  • N4 Plus Spectrometer (Coulter)
  • Zetasizer Model 3000HS (Malvern)
  • ZetaPALS (Brookhaven)

Particle charge

  • Electroacoustic signal (no dilution): Field ESA particle analyzer (PA)
  • Microelectrophoresis cell geometry: Zetasizer model 3000HS (Malvern)
  • Parallel plate geometry: ZetaPALS (Brookhaven)

Flow – rheology

  • CS Rheometer – controlled stress, manual (Bohlin)
  • C-VOR  Rheometer – controlled stress, more automated (Bohlin)

Spectral properties

  • Visible – Spectronic 20 (Bausch & Lomb – for training)
  • UV-Vis – DU 7400 spectrophotometer (Beckman Coulter)
Photo of Optilab DSP from 3 different angles

Electrical properties

  • Conductivity meter – pS-cm range (Scientifica)
  • Dielectric measurement  – Adjustable-gap, parallel plate cell and electronics

Chemical properties

  • Water content – by Karl-Fisher – 832 KF Thermoprep (Metrohm)
  • Surface chemistry by IGC – 5890 Series II gas chromatograph (HP, being repaired)

Polymer properties

  • Polymer size in solution: DAWN EOS Light scattering with Optilab DSP Interferometric refractometer (Wyatt Technologies)

Wetting properties

  • Contact angle analyzer  – Goniometer model 100-00 115 -Rame-Hart with  DEK 21AE04 digital camera – Imaging Source

Imaging

  • Photomicroscopy -DM IRB inverted microscope (Leica)

Miscellaneous

  • Electrometers
  • multimeters
  • power supplies
  • balances
  • circulators
  • syringe pumps
  • computers
  • compressor
  • refrigerator
  • oven