Authors:
Adina-Maria Bodescu Faculty of Food Engineering, Tourism and Environmental Protection, “Aurel Vlaicu” University, Elena Drăgoi 2, Arad 310330, Romania

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Cecilia Sîrghie Research Development Innovation in Natural and Technical Sciences Institute of “Aurel Vlaicu” University, Elena Drăgoi 2, Arad 310330, Romania

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Titus Vlase Research Development Innovation in Natural and Technical Sciences Institute of “Aurel Vlaicu” University, Elena Drăgoi 2, Arad 310330, Romania
Research Center for Thermal Analysis in Environmental Problems, West University of Timişoara, Pestalozzi Street 16, Timisoara RO-300115, Romania

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Nicolae Doca Research Center for Thermal Analysis in Environmental Problems, West University of Timişoara, Pestalozzi Street 16, Timisoara RO-300115, Romania

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Abstract

Synthesis, characterizations, and thermal behavior of Na2[MoO(O2)2(C2O4)] was studied. The thermally induced events will be observed by comparing the FT-IR spectra of the initial compound and of the char at 300 and 500 °C. The TG data were obtained at different heating rates: β = 2.5, 4, 5, and 10 °C min−1 in air and nitrogen (50 mL min−1), and the TG/DTG data were processed with the following methods: Friedman, Flynn–Wall–Ozawa, and modified NPK method.

  • 1.

    Passoni, LC, Siddiqui, MRH, Steiner, A, Kozhevnikov, IV. 2000. Niobium peroxo compounds as catalysts for liquid-phase oxidation with hydrogen peroxide. J Mol Catal A. 15:103.

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  • 2.

    H Mimoun S Patai eds. 1983 The chemistry of peroxides Wiley New York.

  • 3.

    Bayot, D, Tinant, B, Devillers, M. 2004. Spectroscopic and structural characterizations of ammonium peroxo-carboxylato molydate (VI) complexes. Inorg Chim Acta. 357:809816 .

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  • 4.

    Dengel, AC, Griffith, WP, Powell, RD, Skapski, AC. 1987. Studies on Transition-metal Peroxo Complexes. Part 7: +molybdenum (VI) and tungsten (vi) carboxylato peroxo complexes, and the X-ray crystal structure of K2[MoO(O2)2 (glyc)] H2O. J Chem Soc Dalton Trans. 5:991995 .

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  • 5.

    Sheikh, HN, Hussain, A, Kalsotra, BL. 2006. Synthesis and characterization of some oxodiperoxo molybdenum (VI) complexes of morpholinomethyl urea and related ligands. Russ J Inorg Chem. 51 5 724727 .

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  • 6.

    Brown, ME, Maciejewski, M, Vyazovkin, S, Nomen, R, Sempere, J, Burnham, A et al. 2000. Computational aspects of kinetic analysis: part A: the ICTAC kinetics project-data, methods and results. Thermochim Acta. 355:125143 .

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  • 7.

    Friedman, HL. 1965. Kinetics of thermal degradation of char-foaming plastics from thermogravimetry: application to a phenolic resin. J Polym Sci. 6C:183195.

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  • 8.

    Flynn, JH, Wall, LA. 1966. A quick, direct method for the determination of activation energy from thermogravimetric data. Polym Lett. 4:323328 .

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  • 9.

    Ozawa, T. 1965. A new method of analyzing thermogravimetric data. Bull Chem Soc Jpn. 38:18811886 .

  • 10.

    Vlase, T, Vlase, G, Birta, N, Doca, N. 2007. Comparative results of kinetic data obtained with different methods for complex decomposition steps. J Therm Anal Calorim. 88:631635 .

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  • 11.

    Vlase, G, Vlase, T, Doca, N. 2008. Thermal behavior of some phenitoine pharmaceuticals. J Therm Anal Calorim. 92:259262 .

  • 12.

    Birta, N, Doca, N, Vlase, G, Vlase, T. 2008. Kinetic of sorbitol decomposition under non-isothermal conditions. J Therm Anal Calorim. 92:635638 .

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  • 13.

    Vlase, T, Doca, N, Vlase, G, Bolcu, C, Borcan, F. 2008. Kinetics of non-isothermal decomposition of three IRGANOX-type antioxidants. J Therm Anal Calorim. 92:1518 .

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  • 14.

    Fuliaş, A, Vlase, G, Vlase, T, Tiţa, B, Tiţa, D, Doca, N. 2010. Thermal study of cefoperazone monohydrate. Rev Roum Chem. 55 8 481486.

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  • 15.

    Fuliaş, A, Vlase, T, Vlase, G, Doca, N. 2010. Thermal behaviour of cephalexin in different mixtures. J Therm Anal Calorim. 99 3 987992 .

  • 16.

    Vlase, T, Vlase, G, Doca, N, Bolcu, C. 2005. Processing of non-isothermal TG data. Comparative kinetic analysis with NPK method. J Therm Anal Calorim. 80:5964 .

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  • 17.

    Wall ME . Singular value decomposition and principal component analysis. In: Berrar DP, Dubitzky W, Granzow M, editors. A practical approach to microarray data analysis, vol. 9. Norwel: Kluwer; 2003. p. 91109. LANL LA-UR-02.

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  • 18.

    Śestak, J, Berggren, G. 1971. Study of the kinetics of the mechanism of solid-state reactions at increasing temperatures. Thermochim Acta. 3:112 .

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
1
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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