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Synthesis, characterization and thermal behaviour on solid pyruvates of some bivalent metal ions

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Academic year: 2017

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Table  1  presents  the  analytical,  thermoa- thermoa-nalytical  (TG)  and  elemental  analysis  (EA)  data  for the prepared compounds from which the  gene-ral formula M(L)  2 .nH 2 O can be established, where  M represents bivalent metals, L is pyruvate
Fig. 1: X-ray powder diffraction patterns of (a) MnL 2 .3.5H 2 O; (b) FeL 2 .3H 2 O; (c)  CoL 3 .3.5H 2 O; (d) NiL 3 .3.5H 2 O; (e) CuL 3 .2H 2 O; (f)  ZnL 3 .3H 2 O
Fig. 2: The TG/DTG curves of (a) MnL 2 .3.5H 2 O (m=7.053 mg); (b) FeL 2 .3H 2 O (4.600 mg);
Fig. 3: The DSC curves of of (a) MnL 2 .3.5H 2 O (m=5.060 mg); (b) FeL 2 .3H 2 O (5.030 mg);

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