Spectroscopy

Study of a radiation spectrum, emitted, absorbed or diffused.

Different types of radiation interact in characteristic ways with different samples of matter; the interaction is often unique and serves as a diagnostic "fingerprint" for the presence of a particular material in a sample.

Spectroscopy is also a sensitive quantitative technique that can determine trace concentrations of substances.

See also: Chemical Analysis, Energy Dispersive Spectroscopy, Infra-Red Spectroscopy, Path Length, Secondary Electron Imaging, Spectrometer.

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Subjects: Chemistry Physics