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Construção de um espectrógrafo de projeção e sua utilização em demonstrações de espectroscopia óptica

Authors
Journal
Química Nova
0100-4042
Publisher
Sociedade Brasileira de Quimica (SBQ)
Publication Date
Keywords
  • Projection Spectrograph
  • Classrooms Demonstrations
  • Optical Spectroscopy

Abstract

This article describes a projection spectrograph for use in optical spectroscopy classrooms demonstrations. The apparatus is based on an overhead projector and permits the visualization of several phenomena such as, light dispersion by diffraction gratings, diffraction order, optical fluorescence, continuous and discrete optical emission spectra, and light absorption by liquids and solids. A historical survey about the optical spectroscopy development is also presented.

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