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Optica Publishing Group
  • Applied Spectroscopy
  • Vol. 18,
  • Issue 6,
  • pp. 186-187
  • (1964)

A Rapid Infrared Spectrophotometric Method For the Determination of Carbazole In Anthracene

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Abstract

A rapid infrared method has been developed for the quantitative determination of carbazole in industrial grade anthracene. A sample is dissolved in 1,1,2,2-tetrachloro-ethane (TCE) and the intensity of the N-H stretching vibration at 3465 cm<sup>−1</sup> is used to calculate the carbazole content in the 0.1-7% range. Various approaches have been reported in the literature <i>(1-9)</i> involving colorimetric, spectroscopic, nitrimetric, and polarographic techniques which are time-consuming and of limited reliability or availability. The method to be described has the advantage of being rapid and quite specific for carbazole.

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