Research Article

Transition Metal Complexes of Naproxen: Synthesis, Characterization, Forced Degradation Studies, and Analytical Method Verification

Table 2

Physical, analytical, and thermal properties of metal complexes.

CompoundFormula Formula weightColorYield % (g)Analysis (%) calculated (found) Melting point (°C)
CHM

Cu·2H2O558.07Green84.760.21 (60.08)5.38 (5.32)11.39 (11.42)227.51
Co·2H2O553.45Light red75.860.71 (60.39)5.42 (5.45)10.65 (10.67)242.62
Fe·3H2O797.63Yellow86.363.19 (63.12)5.64 (5.63)7.00 (6.97)235.13
Ag·H2O355.13White85.347.30 (47.22)4.26 (4.22)30.38 (30.41)218.89
Zn·2H2O559.9White78.360.01 (59.78)5.36 (5.32)11.68 (11.73)225.28