Click here to see other posts about FT-IR Only 10 $ for interpretation of your FT-IR spectrum Payment Upon Completion Send your spectra... 1. Determine the X-axis and the Y-axis of the spectrum. The X-axis of an IR spectrum is labeled as "Wavenumber" and ranges in number from 400 on the far right to 4,000 on the far left. The X-axis provides the absorption number. The...