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• Realizator: HOPÎRTEAN, Elena

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Sumarul căutării

• 23 de articole

102550100

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	Tip	Anul	Publicație și Volum/Nr.	Realizatori	Titlul articolui	Secțiunea	Pagina	Limba
	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

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