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合成了铬 ( )的一个新配合物 Cr(Nica) 3 (H2 O) 3 (NO3 ) 3 ·H2 O(Nica表示烟酰胺 ) ,并对其进行了热分解非等温动力学研究。通过摩尔电导、紫外可见光谱、红外光谱、X-射线粉末衍射等 ,对其结构进行了表征。运用 Achar法与 Coats- Redfern法 ,对非等温动力学数据进行分析 ,推断第二步热分解反应按动力学方程 dα/ dt=Ae-ERT· 32 (1 +α) 23 [(1 +α) 1 3 - 1 ] -1进行 ,同时给出了热力学补偿效应表达式。
A new complex Cr (Nica) 3 (H 2 O) 3 (NO 3) 3 .H 2 O (Nica for niacinamide) was synthesized and its non-isothermal kinetic study was carried out. Its structure was characterized by molar conductance, UV-visible spectrum, infrared spectrum and X-ray powder diffraction. Using the Achar method and the Coats-Redfern method, the non-isothermal kinetic data were analyzed and the second-step thermal decomposition reaction was deduced according to the kinetic equation dα / dt = Ae-ERT · 32 (1 + α) 23 [ 1 3 - 1] -1, and gives the expression of thermodynamic compensation effect.