Spectrophotometry - MeSH

Select item 680130531.

The art or process of comparing photometrically the relative intensities of the light in different parts of the spectrum.

Select item 680130562.

Spectrophotometry, Ultraviolet

Determination of the spectra of ultraviolet absorption by specific molecules in gases or liquids, for example Cl2, SO2, NO2, CS2, ozone, mercury vapor, and various unsaturated compounds. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)

Year introduced: 1973

Select item 680130553.

Spectrophotometry, Infrared

Spectrophotometry in the infrared region, usually for the purpose of chemical analysis through measurement of absorption spectra associated with rotational and vibrational energy levels of molecules. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)

Year introduced: 1973

Select item 680130544.

Spectrophotometry, Atomic

Spectrophotometric techniques by which the absorption or emmision spectra of radiation from atoms are produced and analyzed.

Year introduced: 2004 (1972)

Select item 680130515.

Spectrometry, Gamma

Determination of the energy distribution of gamma rays emitted by nuclei. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)

Year introduced: 1974

Select item 680130506.

Spectrometry, Fluorescence

Measurement of the intensity and quality of fluorescence.