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- E-ISSN 2288-8985
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- P-ISSN1225-0163
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Analysis of Cast Iron by Glow Discharge Emission Spectrometry
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1993, v.6 no.3, pp.297-305
Cho,
K., Woo,
J., &
Han,
M.
(1993). Analysis of Cast Iron by Glow Discharge Emission Spectrometry. Analytical Science and Technology, 6(3), 297-305.
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Abstract
Generally, it is difficult to analyze cast iron samples with spark discharge emission spectrometry since the content of carbon in these samples is high as a few percent. The cast iron samples were analyzed with the developed glow discharge emission spectrometer composed of glow discharge emission source and polychromator. The discharge condition of glow discharge lamp(GDL) has been optimized by variation of Ar gas pressure, discharge voltage and discharge time. Under the optimum conditions obtained in this work, relationships between the measured emission intensities and concentration of two types of cast iron standard samples(BAS, LECO) were investigated. Most of elements(Mn, Si, P, S etc.) showed the good linearity in one calibration curve. And the carbon showed slightly the systematic difference according to the type of standard samples.
- keywords
- Glow discharge, Emission spectrometry, Cast iron analysis
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