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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 22, Number 8
BKCSDE 22(8)
August 20, 2001

Title	Excitation Temperature and Electron Number Density Measured for End-On-View Inductively Coupled Plasma Discharge
Author	Sang-Ho Nam, Young Jo Kim
Keywords	Excitation temperature, Electron number density, ICP, end-on-view.
Abstract	The excitation temperature and electron number density have been measured for end-on-view ICP discharge. In this work, end-on-view ICP-AES equipped with the newly developed “optical plasma interface (OPI)” was used to eliminate or remove the negative effects caused by end-on-plasma source. The axial excitation temperature was measured using analyte (Fe I) emission line data obtained with end-on-view ICP-AES. The axial electron number density was calculated by Saha-Eggert ionization equilibrium theory. In the present study, the effects of forward power, nebulizer gas flow rate and the presence of Na on the excitation temperature and electron number density have been investigated. For sample introduction, two kinds of nebulizers (pneumatic and ultrasonic nebulizer) were utilized.
Page	827 - 832
Full Text	PDF

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