Far infrared

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The region of the electromagnetic spectrum (500 - 20 cm-1; 20 - 500 micrometers) that falls between the mid-IR and the microwave region. The far infrared (far-IR) region is well suited to the study of organometallic or inorganic compounds. It is useful in the identification and differentiation of many minerals and colorants.

Synonyms and Related Terms

far-IR; FIR; Ferninfrarot (Deut.); infrarouge lointain (Fr.);

Resources and Citations

  • M.Derrick, D.Stulik, J.Landry, Infrared Spectroscopy in Conservation Science, in Scientific Tools for Conservation series, Getty Conservation Institute, Los Angeles, 1999

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