Abstract
Tetrakis(dimethyl sulphoxide)nickel(II) bis(iodide) was studied by thermogravimetry (TG) and simultaneous differential thermal analysis (SDTA) and differential scanning calorimetry (DSC). The gaseous products of the decomposition were on-line identified by a quadrupole mass spectrometer (QMS). Thermal decomposition of the title compound proceeds in three main stages. In the first stage, which starts just above ca. 419 K, the compound loses two dimethyl sulphoxide (DMSO) molecules per one formula unit and small amount of iodide ion. In the second stage (464–552 K) the next DMSO ligands and the iodide ion simultaneously are released. In the last stage (552–900 K) NiSO4 is created which next decomposes to NiO and SO3.
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Migdał-Mikuli, A., Szostak, E., Drużbicki, K. et al. Polymorphism and thermal decomposition of [Ni(DMSO)4]I2 . J Therm Anal Calorim 93, 853–856 (2008). https://doi.org/10.1007/s10973-008-9304-8
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DOI: https://doi.org/10.1007/s10973-008-9304-8