FTIR spectrometer

Abbreviation for "Fourier transform infrared spectroscopy"; Fourier refers to the French physicist and mathematician J. B. Joseph Fourier (1768-1830). It is a physical infrared measuring device, a special variant of a spectrometer. With this device, chemical analyses of solids, powders, liquids and gases can be carried out. Microorganisms can also be identified. With it, comprehensive analyses of grapes, grape must and wine can be carried out by measuring the light absorption in the mid-infrared range. In wine, these are the various constituents (which are relevant in quality wine testing), but also relative density and pH value. However, since such devices are very expensive depending on the equipment (five-digit euro amounts), they are only used by very large wineries and winegrowers' cooperatives. For immediate references to the subject area, see the keywords analytical testing (methods), official test number, state test number, must weight and sugar content.

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FTIR spectrometer

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