络合剂:能与金属离子或含有金属离子的化合物结合而形成络合物的物质。
Complexing agent: can with metal ions or containing metal ions compounds formed the material with complex.
由邻位化合物生成的五元环络合物比由间位化合物形成的六元环络合物稳定性高,反应速度快。
The ortho-compound formed penta cyclic compound was more stable that the meta-compound formed hexa cyclic compound, so the reaction rate of the ortho-compound is larger.
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