Zobrazeno 1 - 10
of 79
pro vyhledávání: '"Tiberiu Frentiu"'
Magnetic and Magnetocaloric Properties of Nano- and Polycrystalline Manganites La(0.7−x)EuxBa0.3MnO3
Autor:
Roman Atanasov, Rares Bortnic, Razvan Hirian, Eniko Covaci, Tiberiu Frentiu, Florin Popa, Iosif Grigore Deac
Publikováno v:
Materials, Vol 15, Iss 21, p 7645 (2022)
Here, we report synthesis and investigations of bulk and nano-sized La(0.7−x)EuxBa0.3MnO3 (x ≤ 0.4) compounds. The study presents a comparison between the structural and magnetic properties of the nano- and polycrystalline manganites La(0.7−x)E
Externí odkaz:
https://doaj.org/article/cef713933d0e44fe8156dfde299c679d
Autor:
Anamaria Iulia Torok, Erika Andrea Levei, Silviu Constantin, Oana Teodora Moldovan, Marin Senila, Oana Cadar, Dorina Casoni, Simion Bogdan Angyus, Claudiu Tanaselia, Eniko Covaci, Tiberiu Frentiu
Publikováno v:
Molecules, Vol 26, Iss 22, p 6788 (2021)
The aim of the study was to develop the hydrogeochemical profiling of caves based on the elemental composition of water and silty soil samples and a multivariate statistical analysis. Major and trace elements, including rare earths, were determined i
Externí odkaz:
https://doaj.org/article/2203c2b3ec9e4656be615757a07e5b74
Autor:
Simion Bogdan Angyus, Erika Levei, Dorin Petreus, Radu Etz, Eniko Covaci, Oana Teodora Moldovan, Michaela Ponta, Eugen Darvasi, Tiberiu Frentiu
Publikováno v:
Molecules, Vol 26, Iss 9, p 2642 (2021)
The simultaneous determination of chemical vapor-generating elements involving derivatization is difficult even by inductively coupled plasma optical emission spectrometry or mass spectrometry. This study proposes a new direct liquid microsampling me
Externí odkaz:
https://doaj.org/article/e8bed7cb23c54f8d9b0d17a31b0b8531
Publikováno v:
Analytical Methods. 15:1734-1746
A unified method for total and inorganic As determination in foodstuff matrices by hydride generation coupled to high-resolution continuum source quartz tube atomic absorption spectrometry is proposed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0bf16b3a216943b4ce0ae3ca1936d803
https://doi.org/10.1039/d3ay00142c
https://doi.org/10.1039/d3ay00142c
Autor:
Simion Bogdan Angyus, Marin Senila, Tiberiu Frentiu, Michaela Ponta, Maria Frentiu, Eniko Covaci
Publikováno v:
Talanta. 259:124551
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d4dacc07ef1e40b89f008f98142c729d
https://doi.org/10.1016/j.talanta.2023.124551
https://doi.org/10.1016/j.talanta.2023.124551
Autor:
Tiberiu Frentiu, Eniko Covaci, Augustin C. Mot, Alexandra Gandea, Michaela Ponta, Lucia Chirita
Publikováno v:
Journal of Analytical Atomic Spectrometry. 36:267-272
The paper presents a method for Se determination in a wide variety of food and environmental samples by hydride generation high-resolution continuum source quartz furnace atomic absorption spectrometry. The method was found to be free from spectral i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8514720ee9eb5a4ec9688a7fd8c8bf67
https://doi.org/10.1039/d0ja00460j
https://doi.org/10.1039/d0ja00460j
Publikováno v:
Revue Roumaine de Chimie. 65:735-745
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23cd10868796ffa029e81ec2823680f1
https://doi.org/10.33224/rrch.2020.65.7-8.12
https://doi.org/10.33224/rrch.2020.65.7-8.12
Autor:
Michaela Ponta, Ioana-Violeta Lazar, Dorina Casoni, Chemometrics, Arany Janos , Cluj-Napoca, Roumania, Mihaela-Nicoleta Bibica, Tiberiu Frentiu
Publikováno v:
Revue Roumaine de Chimie. 65:573-578
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b122fc50eea97aaeb1fb32743989ac0
https://doi.org/10.33224/rrch.2020.65.6.07
https://doi.org/10.33224/rrch.2020.65.6.07
Autor:
Simion Bogdan Angyus, Silviu Constantin, Oana Cadar, Oana Teodora Moldovan, Marin Senila, Eniko Covaci, Dorina Casoni, Erika Andrea Levei, Anamaria Iulia Török, Tiberiu Frentiu, Claudiu Tănăselia
Publikováno v:
Molecules
Molecules, Vol 26, Iss 6788, p 6788 (2021)
Volume 26
Issue 22
Molecules, Vol 26, Iss 6788, p 6788 (2021)
Volume 26
Issue 22
The aim of the study was to develop the hydrogeochemical profiling of caves based on the elemental composition of water and silty soil samples and a multivariate statistical analysis. Major and trace elements, including rare earths, were determined i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ad43b7d33b4a09708fb256d0a4fa081
https://pubmed.ncbi.nlm.nih.gov/34833878
https://pubmed.ncbi.nlm.nih.gov/34833878
Publikováno v:
Environmental Engineering and Management Journal. 18:1967-1976
A simultaneous hierarchical classification of groundwater in the Banat Plain-southwestern Romania and associated characteristics such as As(III), As(V), total As, trace metals (Al, Cd, Cr, Cu, Fe, Mn, Ni, Pb, Zn), pH and redox potential using Fuzzy H
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1720b6554055ea500d55e5af010e33a
https://doi.org/10.30638/eemj.2019.187
https://doi.org/10.30638/eemj.2019.187