Fourier-transform infrared spectroscopy (FTIR)

A technique probing molecular vibrations through infrared absorption. It helps identify chemical groups; interpretation requires suitable controls. Names and abbreviations: infrared spectroscopy. Related terms: Density; Recyclability. Sources: https://research.fs.usda.gov/download/treesearch/42497.pdf, https://research.fs.usda.gov/treesearch/68010