FDCS196 Freeze Drying System

The collapse and eutectic temperature of complex samples can be precisely and rapidly determined and the freeze-dried structure of such samples can be intricately examined by using the FDCS freeze drying cryo stage and light microscopy methods such as polarized light and phase contrast.

Stage temperature as well as stage pressure can be precisely controlled and programed to mimic industrial procedures and identify the ideal drying parameters.

Ultra-low temperature eutectics can be examined using the FDCS system with a temperature range down to −196 °C, which cannot be achieved with Peltier-controlled systems.

A Pirani gauge fixed directly on the stage is used to monitor the chamber pressure, presenting the stage to hold a completely uniform vacuum even if the XY manipulators are employed to follow the drying front that moves over the sample.

FDCS196 Freeze Drying System Specifications

  • Can be heated up to 150 °C/min
  • Temperature stability is less than 0.1 °C
  • Temperature ranges from −196 °C to 125 °C
  • Vacuum-tight sample chamber to 1 x 10−3 mbar (subject to the temperature used) even with XY manipulation
  • 16 mm XY sample manipulation
  • Diameter of light aperture is 1.3 mm
  • Diameter of the sample area is 22 mm
  • Stage body size of 135 mm x 92 mm x 21.7 mm
  • Single ultra thin lid window of 0.5 mm
  • Attached directly to the microscope sub-stage for stability
  • Use of 100 Ohm platinum resistor sensor
  • For high thermal conductivity, silver heating block is used
  • Working distance of objective lens is 4.8 mm
  • Minimum working distance of condenser lens is 12.5 mm
  • Range of condenser extension lenses available
  • Coolant can be directly introduced into the silver block
  • Appropriate for IR, Laser Raman, Confocal, and X-ray
  • Can be used with all microscope methods

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