Atomic Spectroscopy v.1.0

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Atomic spectra may be used to quantitatively determine more than 70 chemical elements. In order to be able to detect the atomic spectrum, the atoms or ions have to be separated from one another, i.e. the atoms have to be in a gaseous state. This can be achieved by massively heating the substances to be determined (typically the temperature is several thousand degrees). When the gas heats up, it emits light of various characteristic wavelengths. For hydrogen the resulting spectrum obeys a very simple relation:Apart from chemical analysis atomic spectroscopy is of considerable importance for the investigation of stars, looking for elemental compositions which could enable life in some form. The interest in atomic emission and absorption lines can be traced back to the late 18th and the early 19th Century when Fraunhofer discovered dark lines in the spectrum of the sun light.

Atomic spectra may be used to quantitatively ...

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  • Atomic Spectroscopy
  • 1.0
  • Epina GmbH
  • Win All
  • Freeware
  • 327 Kb
  • 216
  • Free
 
 

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