study of the matrix effect on the plasma characterization of six elements in aluminum alloys using libs with a portable echelle spectrometer
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ID: 258603
2007
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Аннотация
Volume 2 PROGRESS IN PHYSICS April,
2007
Laser-induced breakdown spectroscopy (LIBS) has been applied to perform a study
of the matrix effect on the plasma characterization of Fe, Mg, Be, Si, Mn, and Cu in
aluminum alloy targets. The generated plasma emissions due to focusing of a 100 mj
Nd: YAG pulsed laser at 1064 nm at the target surface were detected using a portable
Echelle spectrometer with intensified CCD camera. Spectroscopic analysis of plasma
evolution of laser produced plasmas has been characterized in terms of their spectra,
electron density
N
e
and electron temperature
T
e
assuming the LTE and optically
thin plasma conditions. The obtained average values of
T
e
and
N
e
were 7600 K and
3
×
10
17
cm
−
3
, respectively, for the six elements in the aluminum alloy samples. The
electron density increases with the element concentration while the plasma temperature
does not has significance change with concentration. For industrial applications, LIBS
with the portable Echelle spectrometer could be applied in the on-line production
control that following up elemental concentration in metals and pharmaceuticals by
only measuring
N
e.
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|---|---|
| Авторы | ;Tawfik W. |
| Журнал | e-jurnal akuntansi |
| Год | 2007 |
| DOI |
DOI не найден
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| URL | |
| Ключевые слова |
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