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以无水CoCl2和2,2＇-联吡啶-1,1＇-二氧化物为原料,在DMF溶剂中合成了一种多核配合物.经元素分析、紫外光谱、红外光谱和摩尔电导等方法测得它的组成为[Co3（bipyO2）4Cl4]Cl2,并对该配合物的气敏特性进行了研究.结果表明,该配合物对氨气有良好的敏感性和选择性.由它制作的传感器可望用于涉氨化工生产中氨浓度的自动测量和控制.
A multicomponent complex was synthesized using anhydrous CoCl2 and 2,2’-bipyridine-1,1’-dioxide as the starting material in DMF solvent.Analysis by elemental analysis, UV, IR and molar conductance Its composition was measured as [Co3 (bipyO2) 4Cl4] Cl2, and the gas sensing properties of the complex were studied.The results showed that the complex has good sensitivity and selectivity for ammonia gas. The sensor is expected to be used for automatic measurement and control of ammonia concentration in ammonia-based chemical production.