KARAKTERISTIK DAN FENOMENA PERUBAHAN KONSENTRASI OKSIGEN DAN NITROGEN DI UDARA DENGAN PROSES LASER-INDUCED BREAKDOWN SPECTROSCOPY (LIBS)
Characteristics and phenomena of hydrogen, oxygen and nitrogen in the air were investigated by Laser-Induced Breakdown Spectroscopy (LIBS). Neutral atomic spectra emission of hydrogen (H I), oxygen (O I) and nitrogen (N I) were analyzed by spectrometer with CCD 14.336 pixel, 200 – 980 nm, resolution...
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| Format: | Article |
| Language: | English |
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Universitas Udayana
2013-02-01
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| Series: | Buletin Fisika |
| Online Access: | https://ojs.unud.ac.id/index.php/buletinfisika/article/view/31295 |
| Summary: | Characteristics and phenomena of hydrogen, oxygen and nitrogen in the air were investigated by Laser-Induced Breakdown Spectroscopy (LIBS). Neutral atomic spectra emission of hydrogen (H I), oxygen (O I) and nitrogen (N I) were analyzed by spectrometer with CCD 14.336 pixel, 200 – 980 nm, resolution of 0.1 nm and delay time detection was set 0 till 4 µs after 100 mJ of laser radiation. The optimum condition for detecting these elements when the delay time detection was between 0.05 – 1 ?s. The data of these elements show the intensity more than 150 a.u, the S/B above of 10 and the FWHM lower than 0.7. The air composition (%), however, was changed compare to the normal condition. Nitrogen was lower than oxygen (N = 39 %, O = 55 %, H = 5 % and 1 % for others gas). |
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| ISSN: | 1411-4690 2580-9733 |