2022
DOI: 10.1039/d2ja00043a
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Investigation of matrix independent calibration of oxygen in glow discharge optical emission spectrometry

Abstract: The performance of Glow Discharge Optical Emission Spectrometry for matrix independent oxygen determination was investigated using the spectral lines of atomic oxygen at 130 nm and 777 nm and standard...

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Cited by 3 publications
(5 citation statements)
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“…12 Calibration for oxygen was made using several low-oxygen titanium samples, and, as a high point, an iron oxide layer on steel (calamine). 14 Emission yields were calculated by linear regression, as the slopes of the intensity vs. (c.q) plots, while subtracting the spectral background of the respective line. 8 To be able to correct for hydrogen effects in some elements, GDOES spectra of pure elements were collected in pure argon and the (Ar + 0.25% H 2 ) mixture, at the same discharge current and voltage, using the GDS500A spectrometer (LECO Corp., USA).…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…12 Calibration for oxygen was made using several low-oxygen titanium samples, and, as a high point, an iron oxide layer on steel (calamine). 14 Emission yields were calculated by linear regression, as the slopes of the intensity vs. (c.q) plots, while subtracting the spectral background of the respective line. 8 To be able to correct for hydrogen effects in some elements, GDOES spectra of pure elements were collected in pure argon and the (Ar + 0.25% H 2 ) mixture, at the same discharge current and voltage, using the GDS500A spectrometer (LECO Corp., USA).…”
Section: Methodsmentioning
confidence: 99%
“…12 Calibration for oxygen was made using several low-oxygen titanium samples, and, as a high point, an iron oxide layer on steel (calamine). 14 Emission yields were calculated by linear regression, as the slopes of the intensity vs. (c.q) plots, while subtracting the spectral background of the respective line. 8…”
Section: Methodsmentioning
confidence: 99%
“…The use of GD-OES for matrix independent determination of oxygen was investigated using the spectral lines of O at 130 nm and 777 nm and standard conditions for DC discharge with a 4 mm anode (700 V, 20 mA). 55 Analysis of calibration samples of Cu-, Al-and Mg-powder mixed with their oxides, at 130 nm, conrmed the matrix dependence of the emission yield. At 777 nm, however, O had the same emission yield in these matrices.…”
Section: Direct Methodsmentioning
confidence: 99%
“…Two papers have reported the use of glow discharge (GD) as a means of analysing copper and copper alloys; with one by Hoffmann et al using GD-OES and the other, by Phukphatthanachai et al using GD-MS (and LA-ICP-MS). 46,47 In the paper by Hoffmann, a matrix independent calibration GD-OES method was developed to determine O in copper, aluminium and magnesium and some of their oxides. 46 The samples were hot pressed prior to analysis.…”
Section: 23mentioning
confidence: 99%
“…46,47 In the paper by Hoffmann, a matrix independent calibration GD-OES method was developed to determine O in copper, aluminium and magnesium and some of their oxides. 46 The samples were hot pressed prior to analysis. The atomic lines of O at 130 nm and at 777 nm were used for the determination with the conditions used for the DC discharge being 700 V, 20 mA and with a 4 mm anode.…”
Section: 23mentioning
confidence: 99%