| |
articol de periodic |
1967 |
Revue Roumaine de Chimie, 12-5 |
LITEANU, Candin (autor)
,
HOPÎRTEAN, Elena (autor)
|
Le titrage conductomettrique a resistance indicatrice. I. Le titrage conductometrique de l'acide chlohydrique en solutions concentrees de chlorure de sodium |
|
517-522 |
|
| |
articol de periodic |
1970 |
Revue Roumaine de Chimie, 15-5 |
LITEANU, Candin (autor)
,
HOPÎRTEAN, Elena (autor)
|
Etude sur les electrodes-membranes polymere+plastifiant I. L'obtention et le comportement electrodique de la membrane de PVC et tricresylphosphate sensible aux ions d'hydrogene |
|
749-756 |
|
| |
articol de periodic |
1970 |
Revue Roumaine de Chimie, 15-9 |
LITEANU, Candin (autor)
,
HOPÎRTEAN, Elena (autor)
|
Etude sur les electrodes-membranes polymere+plastifiant. III. Utilisation de l'electrode-membrane de PCV et tricresyl-phosphate dans le titrage potentiometrique des acides et bases forts |
|
1331-1336 |
|
| |
articol de periodic |
1971 |
Revue Roumaine de Chimie, 16-1 |
LITEANU, Candin (autor)
,
HOPÎRTEAN, Elena (autor)
|
Etude sur les electrodes-membranes polymere+plastifiant. V. Utilisation de l'electrode-membrane de PCV et tricresyl-phosphate pour la determination des produits sodiques |
|
55-62 |
|
| |
articol de periodic |
1971 |
Revue Roumaine de Chimie, 16-4 |
LITEANU, Candin (autor)
,
HOPÎRTEAN, Elena (autor)
|
Etude des electrodes-membranes polymere+ plastifiant. VII. Comportrment electrodique de la membrane en PCV+tricresylphosphate enveres quelques cations metalliques |
|
559-563 |
|
| |
articol de periodic |
1973 |
Revue Roumaine de Chimie, 18-9 |
MIOȘCU, Maria (autor)
,
HOPÎRTEAN, Elena (autor)
,
LITEANU, Candin (autor)
|
Liquid membrane-electrodes. II. The n-butanol-frit electrode in acid-base potentiometric titration |
|
1637-1641 |
|
| |
articol de periodic |
1973 |
Revue Roumaine de Chimie, 18-9 |
LITEANU, Candin (autor)
,
HOPÎRTEAN, Elena (autor)
,
MIOȘCU, Maria (autor)
|
Liquid membrane-electrodes. III. Electrodes with water-immiscible organic liquids in frit. Applications in potentiometric acid-base titrations |
|
1643-1647 |
|
| |
articol de periodic |
1974 |
Revue Roumaine de Chimie, 19-1 |
HOPÎRTEAN, Elena (autor)
,
LITEANU, Candin (autor)
|
Studies on the electroanalytical behaviour of membrane-electrodes under current IV. The E-p.Ag electrode function and the use of the PVC +tricresylphosphate membrane in the acid-base potentiometri titration at constant direct current |
|
145-156 |
|
| |
articol de periodic |
1974 |
Revue Roumaine de Chimie, 19-5 |
HOPÎRTEAN, Elena (autor)
,
LITEANU, Candin (autor)
,
MAȘA, Ana (autor)
|
Studies on the polymer+platicizuer membrane-electrode. XI. Influence of the plasticier of the PCV on its electrode behaviours |
|
921-927 |
|
| |
articol de periodic |
1974 |
Revue Roumaine de Chimie, 19-7 |
HOPÎRTEAN, Elena (autor)
,
ȘTEFĂNIGĂ, Eugenia (autor)
|
Liquid membrane-electrodes. V. Electrodic bwehaviour of sodiun tetraphenylborate in cyclohexanone to certain monavalent cations |
|
1265-1269 |
|
| |
articol de periodic |
1975 |
Revue Roumaine de Chimie, 20-6 |
HOPÎRTEAN, Elena (autor)
,
ȘTEFĂNIGĂ, Eugenia (autor)
|
Membrane-electrodes of the mertallic wire-plastic membrane type. II. Ammonium-selective membrane-electrode |
|
863-969 |
|
| |
articol de periodic |
1975 |
Revue Roumaine de Chimie, 20-7 |
POPESCU, I. (autor)
,
HOPÎRTEAN, Elena (autor)
,
SAVICI, L. (autor)
,
VLAD, Rodica (autor)
|
Characterization of ceramic ion-selective membrane-electrodes. IX. Hg2+-sensiitive membrane-electrode |
|
993-999 |
|
| |
articol de periodic |
1976 |
Revue Roumaine de Chimie, 21-2 |
HOPÎRTEAN, Elena (autor)
,
ȘTEFĂNIGĂ, Eugenia (autor)
|
Membrane-electrodes of The mertallic wire-plastic membrane type. III.Membrane-electrodes for organic cations |
|
305-312 |
|
| |
articol de periodic |
1976 |
Revue Roumaine de Chimie, 21-6 |
LITEANU, Candin (autor)
,
HOPÎRTEAN, Elena (autor)
,
VLAD, Rodica (autor)
|
Utilization of a Hg2+-sernsitive membrane - electrode in the determination of some &-amino acids |
|
933-936 |
|
| |
articol de periodic |
1976 |
Revue Roumaine de Chimie, 21-9-10 |
LITEANU, Candin (autor)
,
HOPÎRTEAN, Elena (autor)
,
POPESCU, I. (autor)
,
KEKEDY, N. (autor)
,
VERESS, Elisabeta (autor)
,
LITEANU, V. (autor)
|
On a new procedure for obtaining sulphur bioxide starind from calcium sulphate. II. Utilization of phosphogypsum and of natural gypsum with impurities of CaCO3 |
|
1395-1404 |
|
| |
articol de periodic |
1977 |
Revue Roumaine de Chimie, 22-5 |
LITEANU, Candin (autor)
,
HOPÎRTEAN, Elena (autor)
,
STEFĂNIGĂ, Eugenia (autor)
|
Liquid-membrane electrodes. XI. Tetrafluoroborate-selective liquid membrane-electrode |
|
653-656 |
|
| |
articol de periodic |
1977 |
Revue Roumaine de Chimie, 22-8 |
HOPÎRTEAN, Elena (autor)
,
VERESS, Elisabeta (autor)
,
MUREȘAN, Valeria (autor)
|
Liquid-membrane electrodes. VII. Perchlorate-selective membrane-electrode. Construction and characterization |
|
1243-1250 |
|
| |
articol de periodic |
1977 |
Revue Roumaine de Chimie, 22-9-10 |
HOPÎRTEAN, Elena (autor)
|
Liquid-membrane electrodes. X. Liquid-membrane electrode for iron(III) determination |
|
1385-1389 |
|
| |
articol de periodic |
1978 |
Revue Roumaine de Chimie, 23-1 |
HOPÎRTEAN, Elena (autor)
,
ȘTEFĂNIGĂ, Eugenia (autor)
|
Liquid membrane-electrodes. XII. Liquid membrane-electrides for perchlorate, thiocyanate, tetrafluoroborate and nitrate based on triphenylmethane dyes |
|
137-142 |
|
| |
articol de periodic |
1978 |
Revue Roumaine de Chimie, 23-2 |
HOPÎRTEAN, Elena (autor)
,
VERESS, Elisabeta (autor)
|
Ion selective membrane-electrodes for organic analysis. I. Liquid membrane-electrode for some organic anions based on cetylpyridinium salt |
|
273-379 |
|
| |
articol de periodic |
1980 |
Revue Roumaine de Chimie, 25-5 |
LITEANU, Candin (autor)
,
BÎRCĂ, Ion (autor)
,
HOPÎRTEAN, Elena (autor)
|
On the determination limit |
|
735-743 |
|
| |
articol de periodic |
1993 |
Revue Roumaine de Chimie, 38-10 |
BĂDESCU, Iolanda (autor)
,
HOPÎRTEAN, Elena (autor)
|
The mercury-coated silver electrode and its use in the control of the discharge of waste waters |
|
1143-1149 |
|
| |
articol de periodic |
1970 |
Studii și Cercetări de Chimie, 18-3 |
LITEANU, Candin (autor)
,
HOPÎRTEAN, Elena (autor)
,
MIOȘCU, Maria (autor)
|
Electrozi-membrane și utilizarea lor în analiza chimică |
|
241-272 |
|
