I.J. Gal

University of Belgrade

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Ružica Nikolić

Institute of Economic Sciences

I. Paligorić

University of Belgrade

M. Todorović

Faculty (United Kingdom)

V.M. Radak

University of Belgrade

P.D. Radovanov

Institute of Molecular Genetics

István J. Zsigrai

University of Novi Sad

A. Ruvarac

Chemical Dynamics (United States)

O.M. Gaćinović

Institute of Molecular Genetics

John W. Irvine

University of Missouri–Kansas City

R. Radulović-Hercigonja

Cooperative Institutions

Chemical Dynamics (United States)

University of Belgrade

Institute of Economic Sciences

Vinča Institute of Nuclear Sciences

Arheološki Institut

Vienna Institute for Nature Conservation & Analyses

University of Novi Sad

Institute of Molecular Genetics

Hungarian Academy of Sciences

Harvard University

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Spectrophotometric determination of uranium in organic solutions of tributyl phosphate

Analytica Chimica Acta (1968)

I.D. Obrenovic-Paligoric I.J. Gal Vilim J. Vajgand

Tributyl phosphate

10.1016/s0003-2670(00)86774-4

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Citations (3)

Chloride and bromide complexes of zinc(II) and mercury(II) in aqueous ammonium nitrate melts

Journal of the Chemical Society. Dalton transactions (1974)

Ru ica M. Nicoli I.J. Gal

The stability constants of species HgCl+, HgCl2, in aqueous melts of NH4NO3,xH2O (x= 2–5), and ZnCl+, ZnCl2, ZnBr+, ZnBr2(x= 1–3) have been determined at 55–85 °C from e.m.f. measurements of suitable concentration cells. The results for HgII chlorides are essentially in agreement with a quasi-lattice model of aqueous melts, but the zinc halide species behave anomalously: the chloride complexes are more stable than bromide complexes, and the first consecutive stability constants for ZnCl+ and ZnBr+ increase with temperature, in contrast to the behaviour of other divalent metal halides.

Zinc bromide

Mercury

Zinc nitrate

Divalent

10.1039/dt9740000985

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Citations (4)

Eine neue Hexachlorophen inaktivierende Substanz

Fette Seifen Anstrichmittel (1961)

I.J. Gal

Abstract Mit Hilfe der Lochplatten‐Methode wird festgestellt, daß die keimtötende Wirkung von Hexachlorophen auf das Testbakterium Staphylococcus aureus durch Kaliumstearat und ‐palmitat inaktiviert wird. Die Wirkung der Seifen ist von der Konzentration der Hexachlorophen‐Lösung und dem Überschuß an Seifen abhängig; der inaktivierende Effekt von Kaliumstearat ist größer als der von Kaliumpalmitat.

10.1002/lipi.19610630607

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Adsorption of radioactive ions sup 137 Cs sup + , sup 85 Sr sup 2+ , and sup 60 Co sup 2+ on natural magnetite and hematite

M. Todorović S.K. Milonjić J. J. Čomor I.J. Gal

Natural magnetite and hematite have been used as granular sorbents for {sup 137}Cs{sup +}, {sup 85}Sr{sup 2+}, and {sup 60}Co{sup 2+} at tracer concentration levels in aqueous solutions of constant pH (range 2-10) at 25C. The kinetics of adsorption, up to the first 60 to 90 min, followed a first-order equation. At pH 6-8 about 50% Cs, 30% Co, and 18% Sr is removed from the solution with magnetite and 78% Co with hematite. The difference in the sorption capabilities of magnetite and hematite is discussed in terms of crystal structures of these oxides.

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Citations (3)

EXTRACTION OF CHLORIDES FROM HYDROCHLORIC ACID SOLUTIONS WITH TRIBUTYL PHOSPHATE

I.J. Gal A. Ruvarac

Tributyl phosphate

Hydrochloric acid

Amberlite

Source

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Citations (1)

The Sorption of ¹³⁷Cs, ⁸⁹Sr, ⁶⁰Co and ¹⁰⁶Ru from NaCl Solutions on Synthetic Zeolite Linde 4A

Isotopenpraxis Isotopes in Environmental and Health Studies (1969)

O.M. Gaćinović P.D. Radovanov I.J. Gal

The thermodynamics of the cation-exchange process between synthetic 4A zeolite and an aqueous solution is reported for the following cations: K+ [1], Cs+ [1, 2], Ca++ [2], Sr++ [3, 4], Ba++ [4],Co++ [5]. In all cases, a heterogeneous equilibrium constant refering to the exchange of the sodium ion in 4A zeolite by one of the above listed cations was derived. However, for many practical purposes these data are insufficient to predict the actual distribution of cations, especially at low salt concentrations and low pH of the solutions, when the exchange Xa+-H+ interferes. Besides, many polyvalent cations hydrolyze at higher pH, and it is questionable whether a published equilibrium constant is still useful under such conditions.

10.1080/10256016908552587

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Osmotic and activity coefficients of some tetraalkyl ammonium and phosphonium salts in benzene

Journal of Inorganic and Nuclear Chemistry (1970)

I.J. Gal I. Paligorić V.G. Antonijević

Phosphonium

10.1016/0022-1902(70)80654-6

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Ionic association of some tetraheptylammonium and tetraoctylphosphonium salts in methyl isobutyl ketone

Journal of Inorganic and Nuclear Chemistry (1976)

I. Paligorić I.J. Gal

Methyl isobutyl ketone

Osmometer

Osmotic coefficient

10.1016/0022-1902(76)90014-2

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Citations (3)

Solvent extraction of some anions from molten NH4NO3·2H2O with tetraheptyl-ammonium nitrate

Journal of Inorganic and Nuclear Chemistry (1968)

Ružica Nikolić I.J. Gal

Diluent

Ammonium nitrate

Potassium nitrate

Biphenyl

10.1016/0022-1902(68)80372-0

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Ionic association of some tetraheptylammonium and tetraoctylphosphonium salts in ethanol studied by vapour pressure osmometry

Journal of the Chemical Society Faraday Transactions 1 Physical Chemistry in Condensed Phases (1972)

I. Paligorić I.J. Gal

The extent of ionic association of (hept)4NCl, (hept)4NBr, (hept)4NI, (hept)4NNO3 and (oct)4PNO3 in ethanol at 40°C has been measured by vapour pressure osmometry with matched thermistors. The osmotic coefficients, activity coefficients and association constants have been calculated. Ionic association increases with the increasing size of the anion, contrary to the prediction of electrostatic theory of ion pair formation, but in qualitative agreement with the effect of ionic polarizability based on an approximate hard sphere "dielectric bubble" model. The association constants are considerably higher than those predicted by the Denison-Ramsay-Fuoss model of contact ion pairs.

Osmometer

Ion-association

Vapor pressure osmometry

10.1039/f19726801093

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Citations (5)