T. Frenţiu, A. Fodor, Ana-Maria Rusu, Michaela Ponta şi E. A. Cordoş
XXXVI Magyar Szinkepelemzo Vandorgyules. X Magyar Molekulaspektroszkopiai
Konferencia, Kaposvar, Ungaria, 3 - 6 iulie, 1994,Vol. I,173-177
A.M. Rusu, T. Frenţiu, M. Ponta şi E. Cordoş
42 nd Hungarian Conference on Spectrochemistry, Veszprem, Ungaria, 28 – 30 iunie, 1999, 22 – 25.
T. Frentiu, S. Vlad, M. Ponta, C. Baciu, I. Kasler, E. Cordos
33rd International Conference of Slovak Society of Chemical Engineering, 22 – 26 mai,
Tatranske Matliare, Slovacia, 212-1 – 212-8, ISBN 80 – 2409 – 2.
T. Frentiu, S. Vlad, M. Ponta, C. Baciu, M. Postolache, E. Cordos
33rd International Conference of Slovak Society of Chemical Engineering, 22 – 26 mai,
Tatranske Matliare, Slovacia, 212-1 – 212-8, ISBN 80 – 2409 – 2.
M. Senila, C. Roman, E. Konradi, T. Frentiu, E. Cordos
33rd International Conference of Slovak Society of Chemical Engineering, 22 – 26 mai,
Tatranske Matliare, Slovacia, 261-1 – 261-10, ISBN 80 – 2409 – 2.
Erika-Andrea Konradi, Michaela Ponta, Tiberiu Frentiu , Marin Senila, Cecilia Roman, Anca Mihaly Cozmuta, Emil Cordos
Optical Techniques for Environmental Monitoring and Risk Assessment Summer School,
OTEM 2006 , July 31, August 09, 2006 , Baia Mare, Romania
Published by INOE 2006, ISBN (10) 973-85818-8-5; ISBN (13) 978-973-85818-8-3, p. 259-262
Tiberiu Frentiu, Michaela Ponta, Erika Levei, Marin Senila, Monica Ursu, Emil Cordos,
Optoelectronic Techniques for Environmental Monitoring and Risk Assessment, 21 - 24
May 2007, Bucharest, Romania, ISBN 978-973-86818-9-0, 228 – 239.
Validation of the Tessier scheme for speciation of metals in soil using the Bland and Altman test.
Tiberiu Frentiu, Michaela Ponta, Erika Levei, Emilia Gheorghiu, Iosif Kasler, Mirela Miclean, Emil Cordos,
A 34-a Conferinţa Internaţională a Societăţii Slovace de Inginerie Chimică, Tatranske Matliare, Slovacia, 21-25 mai 2007, ISBN 978-80-227-2640.
Emil Cordos, Tiberiu Frentiu, Eugen Darvasi, Michaela Ponta and Marin Senila,
35 th International Conference of Slovak Society of Chemical Engineering, Tatranske
Matliare, Slovacia, 26 - 30 mai 2008, ISBN, 978-80-227-2903- 1, pag. 098-1 – 098-8.
Tiberiu Frentiu, Michaela Ponta, Emil Cordos,
35 th International Conference of Slovak Society of Chemical Engineering,
Tatranske Matliare, Slovacia, 26 - 30 mai 2008, ISBN, 978-80-227-2903-1, pag. 162-1 – 162-11.
Tiberiu Frentiu, Michaela Ponta, Erika Levei, Emil Cordos,
35 th International Conference of Slovak Society of Chemical Engineering, Tatranske Matliare,
Slovacia, 26 - 30 mai 2008, ISBN, 978-80-227-2903-1, pag. 103-1 – 103-26.
Cecilia Roman, Erika Levei, Michaela Ponta, Tiberiu Frentiu, Mirela Miclean, Marin Senila, Emil Cordos,
35 th International Conference of Slovak Society of Chemical Engineering, Tatranske Matliare,
Slovacia, 26 - 30 mai 2008, ISBN, 978-80-227-2903-1, pag. 062-1 – 062-11.
Caludiu
Tănăselia, Stanko Ilik-Popov, Dana Pop, Bela Abraham, Cecilia Roman,
Emil Cordoş, Tiberiu Frenţiu, Trajce Stafilov, Leontin David,
The 9th International Symposium on Metal Elements in Environment, Medicine and Biology, Cluj-
Napoca, 16 – 17 Octombrie 2009, ISSN 1583-4204, Cluj University Press, Babeş-Bolyai
University, Cluj-Napoca, Tome IX, pag. 154 – 156, Editori Gabriela Gârban, Ioan Silaghi-Dumitrescu.
Marin Şenilă, Lăcrămioara Şenilă, Tiberiu Frenţiu, Michaela Ponta, Emil Cordoş, Luminiţa Silaghi-Dumitrescu,
The 9th International Symposium on Metal Elements in Environment, Medicine and Biology, Cluj-
Napoca, 16 – 17 Octombrie 2009, ISSN 1583-4204, Cluj University Press, Babeş-Bolyai
University, Cluj-Napoca, Tome IX, pag. 157 – 61, Editori Gabriela Gârban, Ioan Silaghi-Dumitrescu.
Mirela Miclean, Marin Şenilă, Cecilia Roman, Tiberiu Frenţiu, Emil Cordoş,
The 9th International Symposium on Metal Elements in Environment, Medicine and Biology,
Cluj-Napoca, 16 – 17 Octombrie 2009, ISSN 1583-4204, Cluj University Press, Babeş-
Bolyai University, Cluj-Napoca, Tome IX, pag. 162 – 165, Editori Gabriela Gârban, Ioan
Silaghi-Dumitrescu.
E. A. Cordoş, T. Frenţiu, S. D. Anghel, Ana-Maria Rusu, A. Fodor, Michaela Ponta şi S. Negoescu
Conferinţa de Chimie şi Inginerie Chimică, Universitatea Politehnică Bucureşti, oct.1995,
Vol. III Partea a III a, 427-432
E. A. Cordoş, T. Frenţiu, S. D. Anghel, Ana-Maria Rusu, A. Fodor, Michaela Ponta şi S. Negoescu.
Conferinţa de Chimie şi Inginerie Chimică, Universitatea Politehnică Bucureşti, oct.1995,
Vol. III Partea a III a, 627-632
S. D. Anghel, T. Frenţiu, E. Darvasi, Ana-Maria Rusu, A. Simon, and E. A. Cordoş
Conferinţa de Chimie şi Inginerie Chimică, Universitatea Politehnică Bucureşti, oct.1995,
Vol. III Partea a III a, 633-635
S. D. Anghel, T. Frenţiu, Ana-Maria Rusu, Lucia Beşe şi E. A. Cordoş
Conferinţa de Chimie şi Inginerie Chimică, Universitatea Politehnică Bucureşti, oct.1995,
Vol. III Partea a III a, 636-638
21. Soil polution assessment in the Baia
Mare area after partial closure of ore processing activities,
Erika Levei, Roman Cecilia, Roman Marius,
Ponta Michaela, Frentiu Tiberiu,
The 17th International Symposium on Analytical and
environmental Problems, Szeged, Ungaria, 19 septembrie, 2011, 235 - 238.
22. A digitaly controlled programmable power supply used in a vaporizer.
R. Etz, D. Petreuş, T. Frenţiu, T. Pătărău,
36th International Spring Seminar on Electronics Technology (ISSE 2013), 8 – 12 mai
2013, Alba-Iulia, Romania, pag. 231 – 236, ISBN 978-606-613-064-6.
23. Determination of several hazardous/priority hazardous metals in environmental samples by CCP-AES,
Alin I. Mihălţan, T. Frenţiu, M. Ponta, C. Măruţoiu
The International conference on Innovation and Collaboration in Engineering Research,
INCER 2013, 20 – 21 iunie 2013, Bucureşti, Romania, pag. 9 – 12, ISSN 2344 – 1720.
24. Study and implementation of a vaporizer used in plasma equipment for heavy metals determination,
T. Pătărău, D. Petreuş, R. Etz, C. Orian, E. Darvasi, T. Frenţiu
19th Internationla Symposium for Design and Technology In Electronics Packacing,
STIIME 2013, Galaţi, Romania, ISSN 2285 – 7109.
25. Mercury speciation in soil using a 3-three step sequential extraction and detection by cold-vapor capacitively coupled plasma microtorch optical emission spectrometry, T. Frenţiu, E. Darvasi, M. Ponta, Alin. I. Mihălţan, S. Butaciu
The 19th International Symposium on Analytical and environmental Problems, Szeged,
Ungaria, 23 septembrie, 2013, 64 - 67, ISBN 978-963-315-141-9.
26.
Microanalytical method based on electrothermal vaporization capacitively
coupled plasma microtorch optical emission spectrometry for multielemental
detrmination -comparison with inductively coupled plasma optical emission
spectrometry
Frentiu T., Butaciu S., Darvasi E., Ponta M., Frentiu
M., Petreus D.:
Editor:
Markoš, J., In Proceedings of the 42nd International Conference of the Slovak
Society of Chemical Engineering, Tatranské Matliare, Slovakia, 410–419, ISBN: 978-80-89597-35-2, EAN: 9788089597352, 2016.
27. Electrothermal vaporization device for sample introduction in
microplasma sources used in elemental determination by optical
emission spectrometry
Cadar S., Frentiu
T., Darvasi E., Butaciu S., Ponta M., Frentiu M., Petreus D.:
Editor: Markoš, J., In Proceedings of the 42nd
InternationalConference of the Slovak Society of Chemical Engineering,
Tatranské Matliare, Slovakia, 420–426, ISBN: 978-80-89597-35-2, EAN: 9788089597352, 2016.
28. Mercury speciation
in fish tissue by thermal decomposition atomic absorption spectrometry: method
validation and risk assessment to methylmercury exposure.
44rd
International Conference of the Slovak Society of Chemical Engineering,
Demanovska Dolina, Slovacia, May 2017,p. 520-528.
44rd
International Conference of the Slovak Society of Chemical Engineering,
Demanovska Dolina, Slovacia, May 2017,p. 529-536.
46th International Conference of the Slovak Society of Chemical Engineering, Tatranske Matliare, Slovacia, 20 – 23 mai, 2019, article 59
46th International Conference of the Slovak Society of Chemical Engineering, Tatranske Matliare, Slovacia, 20 – 23 mai, 2019, article 60
48th International Conference of the Slovak Society of Chemical Engineering SSCHE 2022 and Membrane Conference PERMEA 2022, Tatranske Matliare, Slovakia, 23-26 May 2022