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Investigation of the solid samples evaporation from the auxiliary DC arc discharge in the atomic emission spectroscopy

✍ Scribed by S. Ružičková; L. Koller; M. Matherny

Book ID: 111490948
Publisher: Versita
Year: 2006
Tongue: English
Weight: 273 KB
Volume: 60
Category: Article
ISSN: 0366-6352
DOI: 10.2478/s11696-006-0021-0

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✦ Synopsis

Abstract

Efficiency of the suggested tandem technique of Marinković burner was studied in terms of the influence of the PC-controlled DC arc of the different intensities (10 A, 15 A, 20 A, 25 A) on the evaporation process. Higher intensities than 25 A did not allow to use the given experimental equipment since they cause plasma instability and periodic plasma quenching. The suggested method was evaluated by the determination of the half (t 50%) and total (t 100%) evaporation time and by determination of the signal/background ratio for the chosen elements (Al, Ca, Cr, Fe, Mg, Ni, Si, and V) in the model graphite matrix.

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