Distinguishing secondary uranium mineralizations in uranium ore
using LIBS imaging

J 2023

Distinguishing secondary uranium mineralizations in uranium ore using LIBS imaging

KREMPL, Ivo; Karel NOVOTNÝ; Vojtěch WERTICH; Radek ŠKODA; Viktor KANICKÝ et. al.

Základní údaje

Originální název

Distinguishing secondary uranium mineralizations in uranium ore using LIBS imaging

Autoři

KREMPL, Ivo (203 Česká republika, domácí); Karel NOVOTNÝ (203 Česká republika, garant, domácí); Vojtěch WERTICH (203 Česká republika, domácí); Radek ŠKODA (203 Česká republika, domácí); Viktor KANICKÝ (203 Česká republika, domácí) a Jaromír LEICHMANN (203 Česká republika, domácí)

Vydání

Spectrochimica Acta - Part B Atomic Spectroscopy, England, PERGAMON-ELSEVIER SCIENCE LTD, 2023, 0584-8547

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

10505 Geology

Stát vydavatele

Nizozemské království

Utajení

není předmětem státního či obchodního tajemství

Odkazy

URL

Impakt faktor

Impact factor: 3.200

Kód RIV

RIV/00216224:14310/23:00131713

Organizační jednotka

Přírodovědecká fakulta

DOI

http://dx.doi.org/10.1016/j.sab.2023.106734

UT WoS

001060797800001

EID Scopus

2-s2.0-85162861505

Klíčová slova anglicky

LIBS; Elemental imaging; Elemental mapping; Uranium; Uranium mineralization; Secondary mineralization; Geological samples

Štítky

rivok

Příznaky

Mezinárodní význam, Recenzováno

Změněno: 23. 1. 2024 14:12, Mgr. Pavla Foltynová, Ph.D.

Anotace

V originále

The main aim of this work is to demonstrate the potential of LIBS as a complementary technique to electron probe microanalysis (EPMA) for distinguishing and characterizing uranium mineralizations. Combining both methods can help estimate uranium oxidation states and monitor the possible mobilization of uranium in the environment by detecting oxygen and hydrogen using LIBS. It was confirmed that the LIBS signal of oxygen is proportional to oxygen content and that the strength of the oxygen signal is closely related to the oxidation state of uranium. The second assumption that the hydrogen signal is closely related to water (or hydroxyl group) content was also confirmed by detecting a stronger hydrogen signal from the presumed secondary mineralization. In contrast, hydrogen was not found in uraninite and quartz. When superimposed, images obtained with LIBS and EPMA show a clearly visible contrast between primary and secondary uranium mineralizations. Images of uranium obtained with the two techniques match perfectly, while the LIBS image of oxygen confirms the presence of an oxidized form of secondary uranium minerals (uranophane). The LIBS image of hydrogen clearly shows mineral phases containing water or a hydroxyl group, confirming that uranophane and other associated minerals contain greater amounts of hydrogen (water).

Návaznosti

EF16_026/0008459, projekt VaV

Název: Dlouhodobý výzkum geochemických bariér pro ukládání jaderného odpadu

MUNI/A/1298/2022, interní kód MU

Název: Základní a aplikovaný výzkum a vývoj metod chemické a fyzikálně chemické analýzy pro studium přírody a pokročilé technologie

Investor: Masarykova univerzita, Základní a aplikovaný výzkum a vývoj metod chemické a fyzikálně chemické analýzy pro studium přírody a pokročilé technologie

Citovat

KREMPL, Ivo; Karel NOVOTNÝ; Vojtěch WERTICH; Radek ŠKODA; Viktor KANICKÝ a Jaromír LEICHMANN. Distinguishing secondary uranium mineralizations in uranium ore using LIBS imaging. Spectrochimica Acta - Part B Atomic Spectroscopy. England: PERGAMON-ELSEVIER SCIENCE LTD, 2023, roč. 206, June, s. 1-9. ISSN 0584-8547. Dostupné z: https://dx.doi.org/10.1016/j.sab.2023.106734.

@article{2312621,
   author = {Krempl, Ivo and Novotný, Karel and Wertich, Vojtěch and Škoda, Radek and Kanický, Viktor and Leichmann, Jaromír},
   article_location = {England},
   article_number = {June},
   doi = {http://dx.doi.org/10.1016/j.sab.2023.106734},
   keywords = {LIBS; Elemental imaging; Elemental mapping; Uranium; Uranium mineralization; Secondary mineralization; Geological samples},
   language = {eng},
   issn = {0584-8547},
   journal = {Spectrochimica Acta - Part B Atomic Spectroscopy},
   title = {Distinguishing secondary uranium mineralizations in uranium ore using LIBS imaging},
   url = {https://www.sciencedirect.com/science/article/pii/S0584854723001210},
   volume = {206},
   year = {2023}
}

TY  - JOUR
ID  - 2312621
AU  - Krempl, Ivo - Novotný, Karel - Wertich, Vojtěch - Škoda, Radek - Kanický, Viktor - Leichmann, Jaromír
PY  - 2023
TI  - Distinguishing secondary uranium mineralizations in uranium ore using LIBS imaging
JF  - Spectrochimica Acta - Part B Atomic Spectroscopy
VL  - 206
IS  - June
SP  - 1-9
EP  - 1-9
PB  - PERGAMON-ELSEVIER SCIENCE LTD
SN  - 05848547
KW  - LIBS
KW  - Elemental imaging
KW  - Elemental mapping
KW  - Uranium
KW  - Uranium mineralization
KW  - Secondary mineralization
KW  - Geological samples
UR  - https://www.sciencedirect.com/science/article/pii/S0584854723001210
N2  - The main aim of this work is to demonstrate the potential of LIBS as a complementary technique to electron probe microanalysis (EPMA) for distinguishing and characterizing uranium mineralizations. Combining both methods can help estimate uranium oxidation states and monitor the possible mobilization of uranium in the environment by detecting oxygen and hydrogen using LIBS. It was confirmed that the LIBS signal of oxygen is proportional to oxygen content and that the strength of the oxygen signal is closely related to the oxidation state of uranium. The second assumption that the hydrogen signal is closely related to water (or hydroxyl group) content was also confirmed by detecting a stronger hydrogen signal from the presumed secondary mineralization. In contrast, hydrogen was not found in uraninite and quartz. When superimposed, images obtained with LIBS and EPMA show a clearly visible contrast between primary and secondary uranium mineralizations. Images of uranium obtained with the two techniques match perfectly, while the LIBS image of oxygen confirms the presence of an oxidized form of secondary uranium minerals (uranophane). The LIBS image of hydrogen clearly shows mineral phases containing water or a hydroxyl group, confirming that uranophane and other associated minerals contain greater amounts of hydrogen (water).
ER  -

KREMPL, Ivo; Karel NOVOTNÝ; Vojtěch WERTICH; Radek ŠKODA; Viktor KANICKÝ a Jaromír LEICHMANN. Distinguishing secondary uranium mineralizations in uranium ore using LIBS imaging. \textit{Spectrochimica Acta - Part B Atomic Spectroscopy}. England: PERGAMON-ELSEVIER SCIENCE LTD, 2023, roč.~206, June, s.~1-9. ISSN~0584-8547. Dostupné z: https://dx.doi.org/10.1016/j.sab.2023.106734.

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