FT-IR Principle Infrared spectroscopy (IR), also known as Fourier transform infrared spectroscopy (FTIR), utilizes the fact that chemical bonds or functional groups in molecules can undergo vibrational absorption. Different chemical bonds or functional groups have different absorption frequencies and thus appear at different positions in the infrared spectrum, enabling the acquisition of information about the types of chemical bonds or functional groups present in the molecule.
Instrument Model: Nicolet 380
Instrument Technical Parameters
- Signal-to-noise ratio: 45000:1 (peak-to-peak)
- Sampling rate: 80 spectra/second (at 16cm⁻¹ spectral resolution)
- Measurement range: 25,000 ～ 20cm⁻¹
Sample Submission Requirements and Notes
- Solid or liquid samples. 20 ～ 100mg in a plastic centrifuge tube.
- Transmission and total reflection modes.
Testing Examples
