Journal of Chemistry / 2013 / Article / Tab 2

Research Article

Synthesis and Thermal Characterization of Lanthanide(III) Complexes with Mercaptosuccinic Acid and Hydrazine as Ligands

Table 2

Thermal analysis data.

TG
Molecular formula of the complexDTA peakTemperatureWeight loss % Decomposition product
temp (°C)range (°C)ObservedCalculated

· 103(+)
220(−)
40–27018.518.5La{CH2(COO)CH(SH)(COO)
311(−)
590(−)
270–65063.063.3La2O3
· 95(+)
280(−)
40–29018.318.4 Pr{CH2(COO)CH(SH)(COO)
309(−)
563(−)
290–65059.961.7Pr6O11
· 93(+)
280(−)
40–29018.018.0Nd{CH2(COO)CH(SH)(COO)
311(−)
550(−)
290–65061.562.0Nd2O3
· 95(+)
290(−)
40–30017.918.0 Sm{CH2(COO)CH(SH)(COO)
325(−)
572(−)
300–65058.961.6 Sm2O3
· 95(+)
290(−)
40–30017.917.8 Gd{CH2(COO)CH(SH)(COO)
323(−)
594(−)
300–65059.660.0Gd2O3

(+) endotherm and (−) exotherm.

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