- P-ISSN 1225-0163
- E-ISSN 2288-8985
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- P-ISSN1225-0163
- E-ISSN2288-8985
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Study on elemental analysis of metal and ceramic samples by using laser ablation ion trap mass spectrometry(LAITMS)
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2002, v.15 no.1, pp.2-14
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(2002). Study on elemental analysis of metal and ceramic samples by using laser ablation ion trap mass spectrometry(LAITMS). Analytical Science and Technology, 15(1), 2-14.
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Abstract
Laser ablation ion trap mass spectrometry (LAITMS) was developed for the analysis of metal and ceramic samples. For this study, XeCl excimer laser (308 nm) was used for ablating the samples and ITMS was used as a detector. Samples were introduced from outside of a ring electrode and this way of sample introduction was very effective for solid samples when laser ablation was employed. Helium gas was used as a buffer gas, and its effect on sensitivity and some parameters (buffer gas pressure, ion storage time, and cut-off RF voltage) were studied. The optimized conditions were <TEX>$1{\times}10^{-4}$</TEX> Torr of buffer gas pressure, 100 ms of ion storage time and <TEX>$1150V_{p-p}$</TEX> of cut-off RF voltage. From that results, copper (Cu) and molybdenum (Mo) metals were tested with LAITMS and the mass spectra of these pure metals were compared with the natural abundance of isotope ratio. We also examined ceramic samples (<TEX>$Al_2O_3$</TEX>, <TEX>$ZrO_2$</TEX>) and represented the result of elemental analysis.
- keywords
- ion trap mass spectrometry, metal, alumina, zirconia, ion introduction
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