The Plasma Spectroscopic Study of Dergaon Meteorite, India
Meteorites are the recoverable portions of asteroids that reach the surface of the Earth. Meteorites are rare extraterrestrial objects studied extensively to improve our understanding of planetary evolution. In this work, we used calibration-free laser-induced breakdown spectroscopy (CF-LIBS) to eva...
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doaj-d920adbfa7864e1ab6bfbbd6b4fd576c2020-11-25T03:19:30ZengMDPI AGMolecules1420-30492020-02-0125498410.3390/molecules25040984molecules25040984The Plasma Spectroscopic Study of Dergaon Meteorite, IndiaAbhishek K. Rai0Jayanta K. Pati1Christian G. Parigger2Sonali Dubey3Awadhesh K. Rai4Balen Bhagabaty5Amulya C. Mazumdar6Kalpana Duorah7Department of Earth and Planetary Sciences, Nehru Science Centre, University of Allahabad, Allahabad 211002, IndiaDepartment of Earth and Planetary Sciences, Nehru Science Centre, University of Allahabad, Allahabad 211002, IndiaDepartment of Physics and Astronomy, University of Tennessee/University of Tennessee Space Institute,411 B. H. Goethert Parkway, Tullahoma, TN 37388, USADepartment of Physics, University of Allahabad, Allahabad 211002, IndiaDepartment of Physics, University of Allahabad, Allahabad 211002, IndiaDepartment of Geological Sciences, Gauhati University, Guwahati 781014, IndiaDepartment of Geological Sciences, Gauhati University, Guwahati 781014, IndiaDepartment of Physics, Gauhati University, Guwahati 781014, IndiaMeteorites are the recoverable portions of asteroids that reach the surface of the Earth. Meteorites are rare extraterrestrial objects studied extensively to improve our understanding of planetary evolution. In this work, we used calibration-free laser-induced breakdown spectroscopy (CF-LIBS) to evaluate the quantitative elemental and molecular analyses of the Dergaon meteorite, a H 4-5 chondrite fall sample from Assam, India. Spectral signatures of H, N, O, Na, Mg, Al, Si, P, K, Ca, Ti, Cr, Mn, Fe, Co, Ni, andIrweredetected. Along with the atomic emission, this work reports the molecular emission from FeO molecules. The concentration of the measured elements obtained using CF-LIBS is in close agreement with earlier reports. The elements H, N, and O and their concentrations are estimated by using CF-LIBS for the first time. This study applies laser spectroscopy to establish the presence of Ni, Cr, Co, and Ir in meteorites. The elemental analysis forms the basis for the establishment of the potential molecular composition of the Dergaon meteorite. Moreover, the elemental analysis approach bodes well for in-situ analyses of extraterrestrial objects including applications in planetary rover missions.https://www.mdpi.com/1420-3049/25/4/984dergaon meteoritecalibration-free laser-induced breakdown spectroscopyatomic spectroscopymolecular spectroscopyplanetary geochemistry |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Abhishek K. Rai Jayanta K. Pati Christian G. Parigger Sonali Dubey Awadhesh K. Rai Balen Bhagabaty Amulya C. Mazumdar Kalpana Duorah |
spellingShingle |
Abhishek K. Rai Jayanta K. Pati Christian G. Parigger Sonali Dubey Awadhesh K. Rai Balen Bhagabaty Amulya C. Mazumdar Kalpana Duorah The Plasma Spectroscopic Study of Dergaon Meteorite, India Molecules dergaon meteorite calibration-free laser-induced breakdown spectroscopy atomic spectroscopy molecular spectroscopy planetary geochemistry |
author_facet |
Abhishek K. Rai Jayanta K. Pati Christian G. Parigger Sonali Dubey Awadhesh K. Rai Balen Bhagabaty Amulya C. Mazumdar Kalpana Duorah |
author_sort |
Abhishek K. Rai |
title |
The Plasma Spectroscopic Study of Dergaon Meteorite, India |
title_short |
The Plasma Spectroscopic Study of Dergaon Meteorite, India |
title_full |
The Plasma Spectroscopic Study of Dergaon Meteorite, India |
title_fullStr |
The Plasma Spectroscopic Study of Dergaon Meteorite, India |
title_full_unstemmed |
The Plasma Spectroscopic Study of Dergaon Meteorite, India |
title_sort |
plasma spectroscopic study of dergaon meteorite, india |
publisher |
MDPI AG |
series |
Molecules |
issn |
1420-3049 |
publishDate |
2020-02-01 |
description |
Meteorites are the recoverable portions of asteroids that reach the surface of the Earth. Meteorites are rare extraterrestrial objects studied extensively to improve our understanding of planetary evolution. In this work, we used calibration-free laser-induced breakdown spectroscopy (CF-LIBS) to evaluate the quantitative elemental and molecular analyses of the Dergaon meteorite, a H 4-5 chondrite fall sample from Assam, India. Spectral signatures of H, N, O, Na, Mg, Al, Si, P, K, Ca, Ti, Cr, Mn, Fe, Co, Ni, andIrweredetected. Along with the atomic emission, this work reports the molecular emission from FeO molecules. The concentration of the measured elements obtained using CF-LIBS is in close agreement with earlier reports. The elements H, N, and O and their concentrations are estimated by using CF-LIBS for the first time. This study applies laser spectroscopy to establish the presence of Ni, Cr, Co, and Ir in meteorites. The elemental analysis forms the basis for the establishment of the potential molecular composition of the Dergaon meteorite. Moreover, the elemental analysis approach bodes well for in-situ analyses of extraterrestrial objects including applications in planetary rover missions. |
topic |
dergaon meteorite calibration-free laser-induced breakdown spectroscopy atomic spectroscopy molecular spectroscopy planetary geochemistry |
url |
https://www.mdpi.com/1420-3049/25/4/984 |
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