Various spectrophotometers
UV-Visible Absorption Spectrophotometer
Measure UV and visible light absorption and colloidal concentration of substances
Fluorescence spectrophotometer
Measures excitation and fluorescence spectra of fluorescent materials
Fourier Transform Infrared Spectrometer (FTIR)
Measures the infrared absorption of a substance
Fourier Transform Near Infrared Spectrometer (FTNIR)
Measures near-infrared light absorption of a substance