Jasco FT/IR 4100 with Diamond/ZnSe ATR crystal

Prepared by:

J. Scanlon


Dow 2224


The following materials and equipment associated with this procedure present exposure or physical health hazards. Safety precautions are prudent and mandatory.


Prior to performing this procedure, the following safety equipment must be accessible and ready for use: (e.g. chemical fume hood, biological safety cabinet, laminar flow hood, chemical spill kits)

Protective Equipment:

Prior to performing this procedure, the following personal protective equipment must be obtained and ready for use: (e.g. acid resistant gloves, safety eyewear, lab coat, chemical splash apron)

Waste Disposal:

This procedure will result in the follow regulated waste which must be disposed of in compliance with environmental regulations.


In the event that a hazardous material spills during this procedure, be prepared to execute the emergency procedure below.


FTIR overview


For any concerns or for training, please see one of the MSE Tech Staff.



  • For Jasco's FTIR owner's manual, click here.
  • For more information on Jasco's website, here.
  • For Pike's ATR crystal data sheet, click here.


Quick Reference Guid for the Jasco FT/IR with Pike ATR Crystal.

  1. Press Power on the unit.
  2. Lift open at the large latch.
  3. Attach and screw the press to the ATR crystal base.
    ATR CrystalATR Press
  4. Clean the crystal surface and any accessories with the provided isopropanol (nothing harsher should be used in the unit if possible,check here for a more complete list).
    ATR Press
  5. If using, attach power/liquid accessory to crystal. (If liquids are volatile, use the lid)
    ATR PressVolatile Lid
  6. Open Spectrum Manager from Desktop (double click) or Quicklaunch (single click).
  7. Open Specrum Measurement by double clicking. Software is available only at the FTIR
    Spectra Measurement
  8. Run Background Scan once per session, unless altering the environment. Use the monitor background option. Confirm settings and click okay to continue.
    Spectra MeasurementSpectra Measurement
  9. After the run, save the background for reference or continue to the next step.
  10. Run Monitor Sample, confirm settings and click okay to continue.
    Spectra MeasurementSpectra MeasurementSpectra Measurement
  11. After the sample has been run, save the data or press Analysis Send (Under the File menu) to send the data to the Spectra analysis software.
    Spectra Measurement
  12. Spectra analysis software is found on all the computers in the Van Vlack Undergraduate Laboratories.
  13. From Spectra Analysis, the following tasks can be performed:
    • Convert Axis to different units.
    • Reduce the presence of CO2 and H2O.
    • Reduce the effect of the ATR crystal on the pattern.
    • Export data as an ASCII Text file.
      Spectra MeasurementSpectra Measurement
  14. When finished:
    • Close all open software associated with the FTIR.
    • Thoroughly clean the area and equipment.
    • Turn off the unit.
    • Sign into the log book provided.



Last Revision:

May 24, 2024