DSC can be used to determine the enthalpies of formation for the 3d transition metal oxalates

Differential scanning calorimetry has been used to measure the enthalpy of formation for manganese, iron, cobalt, nickel, copper and zinc oxalate. By adding a flameless combustion catalyst (CuO) and using scans of 2 K min−1 in static air, the values determined for each compound agreed to within 1% o...

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Published inChemical thermodynamics and thermal analysis Vol. 7; p. 100070
Main Authors Snell-Feikema, Rafael, Reisner, Barbara A., DeVore, Thomas C.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.08.2022
Elsevier
Subjects
Cobalt oxalate
Copper oxalate
Differential scanning calorimetry
Enthalpy of formation
Iron oxalate
Manganese oxalate
Nickel oxalate
Zinc oxalate
Manganese oxalate
Differential scanning calorimetry
Iron oxalate
Enthalpy of formation
Nickel oxalate
Copper oxalate
Cobalt oxalate
Zinc oxalate
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Summary:Differential scanning calorimetry has been used to measure the enthalpy of formation for manganese, iron, cobalt, nickel, copper and zinc oxalate. By adding a flameless combustion catalyst (CuO) and using scans of 2 K min−1 in static air, the values determined for each compound agreed to within 1% of the critically reviewed values reported previously. Confident in the approach's validity, values for metal oxalates that did not have accepted values in the compilation are also presented. This approach has the potential to measure reliable ΔfH values for any compound where the products can be fully oxidized during the decomposition.
ISSN:2667-3126
2667-3126
DOI:10.1016/j.ctta.2022.100070