Thermo Scientific MIRAN 205B Series, Instruction Manual, Page: 134 / 214

Chapter 13 Infrared Spectroscopy Tutorial
13-14
peaks present themselves at 8.5 and 10.5 microns . Note that the one at 8.5 microns is
strong at both concentrations and that the one at 10.5 microns practically disappears at
the concentration of 10 ppm.
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Wavelength In M icrons
Absorbance
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Wavelength In M icrons
Absorbance
Figure 13-13. Selecting the Peak of High Intensity at Varying Concentrations
R-142b at 10 ppm
R-142b at 120 ppm