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- E-ISSN 2288-8985
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- P-ISSN1225-0163
- E-ISSN2288-8985
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The Fundamental Studies and Development of Modified Electrothermal Vaporization Hollow Cathode Glow Discharge Cell
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2002, v.15 no.6, pp.514-520
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(2002). The Fundamental Studies and Development of Modified Electrothermal Vaporization Hollow Cathode Glow Discharge Cell. Analytical Science and Technology, 15(6), 514-520.
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Abstract
The electrothermal vaporization (ETV) hollow cathode glow discharge atomic emission spectrometer for analysis of liquid sample has been developed and characterized. This system has improved the sample introduction method of electrothermal vaporization and the hollow cathode glow discharge. The sample introduction method was possible to provide high analyte transport efficiency to the plasma by helix coil made of tungsten material. In addition, small volume samples (<<TEX>$30{\mu}{\ell}$</TEX>) could be used. The system has glow discharge cell with special design for improvement of precision. The effect of discharge parameters such as discharge power, gas flow rate has been studied to find optimum condition. The emitted light was effectively carried into detector by fiber optic cable in UV region. The calibration curve of Pb, Cd were obtained with 3 samples.
- keywords
- Modified electrothermal vaporization, Optimum conditions, Modified hollow cathode tube, Cooling system
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