= Near-infrared spectroscopy
{wiki=Near-infrared_spectroscopy}
Near-infrared spectroscopy (NIRS) is an analytical technique used to obtain information about the chemical composition and physical properties of a sample by analyzing the near-infrared region of the electromagnetic spectrum, which typically ranges from about 750 nm to 2500 nm. \#\#\# Key Features of NIRS: 1. **Principle of Operation**: NIRS involves the absorption of near-infrared light by molecular vibrations.
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