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  • 1 Department of Chemistry Shandong University 250100 Jinan P. R. China
  • | 2 Department of Chemistry Qufu Normal University 273165 Qufu P. R. China
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The hydrolytic polymerization of Cr3+ at relatively high concentrations was studied by microcalorimetry. The thermal curves were determined with a 2277 thermal activity monitor. From the curves, the identified reaction heats (δrHmσ), hydrolysis constants (K) and thermodynamic functions (δrSmσrHmσ) were calculated at different temperatures.