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  1. No Access

    Article

    Thermal study and mechanism of Ag2S oxidation in air

    The results of thermal study and mechanism of the oxidation process of synthetic Ag2S in air are presented in this article based on the comparative analysis of DTA and XRD results, as well as by constructed phase...

    D. Živković, M. Sokić, Ž. Živković… in Journal of Thermal Analysis and Calorimetry (2013)

  2. No Access

    Article

    Some tetrazolium salts and their ion-association complexes with the molybdenum(VI) — 4-nitrocatechol anionic chelate

    Several commercially available 2H-tetrazolium salts (TS) {2,3,5-triphenyl-2H-tetrazolium chloride (TTC), 3-(1-naphthyl)-2,5-diphenyl- 2H-tetrazolium chloride (Tetrazolium Violet, TV), 3-(4,5-dimethylthiazol-2-...

    K. Gavazov, V. Lekova, B. Boyanov… in Journal of Thermal Analysis and Calorimetry (2009)

  3. No Access

    Article

    Synthesis, characterisation and thermal decomposition of double sulfate

    Upon evaporation at room temperature of an aqueous mixture containing Al(III) sulfate and trishydroxymethyl-ammoniummethane sulfate in a molar ratio 1:2, double sulfate as crystalline product was obtained. The...

    V. Jordanovska, B. Boyanov, Lj. Pejov in Journal of Thermal Analysis and Calorimetry (2003)

  4. No Access

    Article

    Thermal Behaviour of the N-donor Adducts of Metal Saccharinates III. Imidazole saccharinates of Co(II), Ni(II) and Cd(II)

    The complexes [M(HIm)4(H2O)2](sac)2 (M=Co, Ni) and [Cd(HIm)2(sac)2]2 with saccharin (sac) and imidazole (HIm) were synthesized and their thermal (TG, DTG and DTA) behaviour in the interval from room temperature u...

    P. Naumov, V. Jordanovska, B. Boyanov… in Journal of Thermal Analysis and Calorimetry (2001)

  5. No Access

    Article

    Synthesis, Characterisation and Thermal Decomposition of Double Sulphates of Al and Cr(III) with Diisopropylammonium Ion

    On evaporation at room temperature of an aqueous mixture of M(III) sulphate and diisopropylammonium sulphate in a molar ratio 1:3, double sulphates of Aland Cr as crystalline products were obtained. The stoichiom...

    V. Jordanovska, B. Boyanov, P. Naumov in Journal of Thermal Analysis and Calorimetry (2001)

  6. No Access

    Article

    Thermal Behaviour of the N-donor Adducts of Metal Saccharinates. II. 1,10-phenanthroline saccharinato complexes of Co(II), Ni(II), Cu(II), Zn(II) and Pb(II)

    Adducts of Co(II), Ni(II), Cu(II), Zn(II) and Pb(II) saccharinates with 1,10-phenathroline were synthesized and their thermoanalytical (TG, DTG and DTA) curves in the 20–1000°C temperature interval and static ...

    P. Naumov, O. Grupče, V. Jordanovska… in Journal of Thermal Analysis and Calorimetry (2001)

  7. No Access

    Article

    Thermal Behaviour of the N-donor Adducts of Metal Saccharinates: I. 2,2'-bipyridine saccharinato complexes of Co(II), Ni(II), Cu(II), Zn(II) and Pb(II)

    The adducts of Co, Ni, Cu, Zn and Pb saccharinates with 2,2'-bipyridine were synthesized and their thermal behaviour in the 20–1000°C temperature interval in a static air atmosphere was investigated. Regardles...

    P. Naumov, V. Jordanovska, O. Grupče… in Journal of Thermal Analysis and Calorimetry (2001)

  8. No Access

    Article

    Synthesis, Identification and Thermal Decomposition of Double Sulfates of Mn, Cu and Cd with Benzylammonium

    On evaporation of an aqueous mixture of M(II) sulfate (M(II) = Mn, Co, Ni, Cu, Zn or Cd) and benzylammonium sulfate in a molar ratio of 1:2 at room temperature in the presence of sulphuric acid, double sulfates o...

    V. Jordanovska, B. Boyanov, P. Naumov in Journal of Thermal Analysis and Calorimetry (2000)

  9. No Access

    Article

    Synthesis, Characterization and Thermal Decomposition of the Pyridine Adducts of Co, Ni, Cu and Zn Sulfate

    Pyridine adducts of Co, Ni, Cu and Zn sulfate were obtained by refluxing the corresponding sulfate with pyridine in chloroform. The compounds were characterized by elemental analysis, X-ray powder diffraction ...

    V. Jordanovska, P. Naumov, B. Boyanov… in Journal of Thermal Analysis and Calorimetry (2000)

  10. No Access

    Article

    Mössbauer study of thermal magnetic transitions in Cu0.5Zn0.5Fe2O4

    The dependence of the Mössbauer spectra of the ferrite Cu0.5Zn0.5Fe2O4 on the temperature is investigated. The profiles of the hyperfine magnetic fields distributionP(H) are obtained from the spectra by a decompo...

    S. Nikolov, B. Boyanov in Hyperfine Interactions (1990)

  11. No Access

    Article

    Supplement to the Paper of Lupaş and Müller

    B. Boyanov in aequationes mathematicae (1970)