Lab glossary
Wavenumber (cm⁻¹)
The number of waves per centimetre, equal to 10,000 ÷ wavelength in µm. The usual x-axis unit for IR spectra.
- Also: reciprocal centimetre
The number of waves per centimetre, equal to 10,000 ÷ wavelength in µm. The usual x-axis unit for IR spectra.