Przeglądaj Acta Universitatis Lodziensis. Folia Chimica według daty wydania
Wyświetlanie pozycji 1-20 z 120
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Thermochemical investigations of NaI-water-isopropanol system with addition of formamide and of N,N-dimethylformamide at temperature 298.16 K
(Uniwersytet Łódzki, 1982)Enthalpy of solution of NaI in water-isopropanol mixtures with the addition of formamide and of N,N-dimethylformamide was measured. The course of relation of standard enthalpy of NaI solution in the investigated mixed solvents ... -
Thermochemical investigations of aqueous acetamide solutions with in thetemperature range 25-70°
(Uniwersytet Łódzki, 1982) -
Chromatography of chelate metal complexes. V. Complexes of Fe (III), Cr (III) and Al(III) with violet R
(Uniwersytet Łódzki, 1982)A new method of chromatographic paper separation of a mixture of ions Fe(III), Cr(III) and Al(III) has been elaborated with the use of differences of complexogenic properties of violet R in respect of the particular ions. -
The molal enthalpy of solution of acetophe none in the aliphatic alcohols at 286.16 K
(Uniwersytet Łódzki, 1982)The values of the enthalpy of solution of acetophenone in methanol, butanol-1, 2-methylpropanol-1 and butanol-2 with in the concentration range from ca. 0.003 mole/kg to ca.0.043 mole/kg at 286.16 K have been determined. It ... -
Investigation of complex formation reactions of Fe(III) and Al(III) with some phenol derivatives by the method of ion exchange
(Uniwersytet Łódzki, 1982)By the method of ion exchange on the exchanger Dowex 50 WX 8 100-200 mesh complex formation was investigated in the system Me(ClO₄)₃ + XC₆H₄OH + HClO₄ + NaClO₄ + H₂O, with Me = Fe(III) or Al(III) and X = Cl, Br, CH₃, ... -
Viscosimetric investigations of water-acetamide system with in the temperature range 25-85°C
(Uniwersytet Łódzki, 1982) -
Densimetric investigations of water-acetamide system with in the temperature range 25-85°C
(Uniwersytet Łódzki, 1982)The density of aqueous acetamide solutions was measured over the temperature range 25-85 C. From the obtained density data apparent molal volume of acetamide in water and volume expansibility coefficient were calculated. The ... -
Viscosimetric investigations of H₂O-AcNH₂-NaI ternary system with in the temperature range 25-85°C
(Uniwersytet Łódzki, 1982)The viscosity of NaI solutions in mixed water-acetamide solvents over the temperature range 25-85°C has been measured. The dependence of viscosity, relative viscosity and the thermodynamic functions of activation for ... -
Kinetics of the reaction of thiourea with methyl iodide
(Uniwersytet Łódzki, 1982)Kinetics of the reaction of thiourea with methyl iodide in aqueous solutions at the temperatures 25°, 35° and 40°C has been investigated. The reaction was found to be dimolecular. The rate of the reaction is not affected ... -
Chromatography of metal chelate complexes. IV. Complexes of Fe (IIl), Cr (lII) and Al (III) with nitroso-R-salt
(Uniwersytet Łódzki, 1982)A new method of chromatographic paper was - elaborated of separating a mixture of cations: Fe(III), Cr(III) and Al(III) from a medium containing nitroso-R-salt (NRS) as a complexogenic agent. -
Formation of triacetylthiocarbamide chromium perchlorate
(Uniwersytet Łódzki, 1982)The method were elaborated for the preparation of [Cr(CH₃CONHCSNH₂)₃] (ClO₄)₃. In this paper we give conditions for the synthesis, composition, properties and propose the structure of the obtained compound. -
Thermodynamic investigation of thiourea in water solutions
(Uniwersytet Łódzki, 1982)Relative partial molal enthalpies of thiourea and water and excess of relative partial molal entropy of water were determined from enthalpies of solution of thiourea in water with in the temperature range 293.15-333.15 K. -
Relative partial molal enthalpy of NaI solutions in the mixtures of N,N-dimethylformamide with water
(Uniwersytet Łódzki, 1983) -
Relative partial molal enthalpy of glycerol (L̅₁) and of electrolytes (L̅₂) at several temperatures
(Uniwersytet Łódzki, 1983) -
Molal solution enthalpy of benzophenone in aliphatic alcohols at 286.16 K and 298.16 K
(Uniwersytet Łódzki, 1983)The values of the solution enthalpy of benzophenone In methanol, n-buthnol, 2-methylpropanol-l and butanol-2 have been measured within the range from ca. 0.002 mol. kg⁻¹ to ca 0.04 mol. kg⁻¹ concentration range at 286.16 ... -
Viscosity measurements of NaI solutions in water-isopropanol mixtures at several temperatures
(Uniwersytet Łódzki, 1983)Viscosity of NaI solutions at concentrations: 0.5, 1.0 and 2.0 mol. of electrolyte per lOO mol. of the vater-isopropanol mixed solvents has been measured over the whole composition range at the temperaturest 288.15, ... -
Densimetric investigations of the ternary system water-acetamide-NaI within the temperature range 25 - 85°C
(Uniwersytet Łódzki, 1983) -
Application of ceric perchlorate to titration of amides
(Uniwersytet Łódzki, 1983)W niniejszej pracy przedstawiono metodę cerometrycznego oznaczania amidów kwasów: akrylowego, malonowego, winowego i sulfanilowego. Opracowano również sposób zidentyfikowania kwasu mrówkowego w wodnej mieszaninie z kwasem ... -
Kinetics and analytical application of the reaction between thiourea and trimethylsulphoxonium iodide
(Uniwersytet Łódzki, 1983)The course of Interaction between thiourea and trlmethylsulphoxonium iodide in N,N-dimethylformaraide has been Investigated at the temperature 8O°C. It haB been shown that the reaction runs according to the kinetic ... -
The values of the viscosity coefficients of NaI solutions in the mixtures of water with butanol isomers
(Wydawnictwo Uniwersytetu Łódzkiego, 1983)The viscosity of NaI solutions at concentrations of 0.5, 1.0 and 2.0 moles of electrolyte per 100 moles of the mixed solvent has been measured within the whole composition range of the mixtures of water with isobutanol, ...