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Diffure reflectance (DRIFTS): This sampling technique collects and analyzes scattered IR energy. The sample is placed in a sample cup (grinded and mixed with KBr), typically in powder form. The amount of KBr in the sample cup is typically 70-95%.

Transmission: The beam travels through a sample and then impinges the detector.

We also have available an in-situ cell which can be heated.


There are two detectors available:

DTGS (Operates in room temperature): Cuts off at around 400 cm-1

MCT (Operates with liquid nitrogen cooling): Faster and less noisy than the room temperature detector. Cuts off at around 700 cm-1

Before you begin


  • Equipment may not be used without training

  • Equipment must be booked through the booking system of the department (see link below)
  • Contact apparatus responsible: Johannes Ofstad