LUCRARI STIINTIFICE

Senzori electrochimici | Chimie electroanalitica | Cercetare fundamentala |

CERCETARE FUNDAMENTALA

1. E. Hopîrtean, C. Liteanu “Studies on the electroanalytical behaviour of the membrane electrodes under current V. The E – pH electrode function and the use of the PVC + tricresylphosphate in acid-base potentiometric titration at constant direct current” Rev. Roumaine Chim., 19, p. 145, 1974.
2. C. Liteanu, I. Rîca, E. Hopîrtean “On the determination limit” Rev. Roumaine Chim., 25, p. 748, 1980.
3. E. Hopîrtean, E. Stefaniga, C. Liteanu “Utilizarea unor teste statistice pentru caracterizarea electrozilor membra ne lichizi nitrat- selectivi” Rev. Chim.(Bucuresti),, 33 (3), p. 275, 1982.
4. E. Hopîrtean, E. Stefaniga “Parametri functionali si coeficientul de repartitie a schimbatorului de ioni lichid în cazul electrodului membrana -lichid nitrat-selectiv” Rev. Chim.(Bucuresti),, 36 (4), p. 343, 1885.
5. E. Hopîrtean, L. Olenic “Calculul curbelor de titrare în volumetria prin reactii de neutralizare” Buletin de fizica-chimie, vol. XIV, p. 95-106, 1990.
6. I.O. Marian, E. veress, E. Hopirtean “Photoelectrochemical phenomena on semiconductor redox glass electrodes” Analele Univ. Craiova, Seria Chimie, 23, p 86, 1996
7. A. Coroian, E.Pica, V. Cosma. E. Hopirtean, I. Hopirtean “Physico- Chemical Studies on PVC – K+ - selective membrane" Leonardo Journal of Sciences, Issue 1, p. 1, 2002
8 . C. Liteanu, E. Hopîrtean “Study on the polimer + plasticizer membrane electrode. IX. Working mechanism of the precipitation titration “ membrane electrode PVC + plasticizer”
Chem. Anal.(Warszawa) , 17, p. 859, 1972.
9. C. Liteanu, E. Hopîrtean, I.C.Popescu “Detection limit of ISME. The electrode function in the nonlinear domain” Analyt. Chem., 48, p. 2013, 1976.
10. C. Liteanu, I. Rîca, E. Hopîrtean “On the possibility of extending the detection and determination function of an analytical system to lower concentration” Croatica Chim. Acta (Zagreb), 49, p. 869, 1977.
11. C. Liteanu, E. Hopîrtean, I.C.Popescu “Statistical approach of the electrode function of ISME” Acta Chim. Acad. Sci. Hung., 97, p. 268, 1978.
12. C. Liteanu, E. Hopîrtean “Statistical approach for the stability of an analytical system based on ISME using serial correlation” Zeitschrit. fur Analitische Chemie, (Wiesbaden), 228, p. 59, 1977.
13. C. Liteanu, E. Hopîrtean, I.C.Popescu, I. Rîca, E. Stefaniga “Statistical approach for the selectivity of ISME” Anal. Chem., 50, p. 1202, 1978.
14. E. Hopîrtean, Fl. Mihalcioiu, E. Forizs, F. Kormos “Impedance Spectroscopy on Non-Conventional Conductivity” Sensors and Actuators, B I , 18-19, p. 389, 1994.
15. I. Tarsiche, E. Hopîrtean, D. Ciurche “Last-Square Analysis of Ammonia Diffusion through PTFE Membranes” Meas. Sci. Tehnol. 8, p. 1367, 1997.