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采用各种分析方法系统研究了含偕胺肟基因维尼无纺布与An(3+)进行氧化还原反应时的化学结构变化、氧化还原与鳌合吸附的关系以及还原产物的结晶结构和形态.结果表明,含偕胺肟基无纺布与Au(3+)反应时,开始主要是偕胺肟基被氧化成为酰胺基.此外,有部分偕胺基因被氧化成为羧基.An(3+)被还原的同时生成约相等当量的氢离子.反应后期或反应温度高时,氢离子生成量增大.实验结果还表明,在反应起始阶段,Au(3+)与偕胺肟基因会发生鳌合作用.还原生咸的单质An形成“玫瑰花”状的小晶粒粘附于无纺布纤维表面.
A variety of analytical methods were used to systematically study the chemical structure change, the redox-chelate adsorption and the crystal structure and morphology of the reduced product in the anoxynitroporphyrene-containing nonwovens with An (3+). The results showed that, when the amidoxime-containing non-woven fabric reacted with Au (3+), the initial amidoxime group was mainly oxidized to an amide group. In addition, a portion of the amidinogen is oxidized to a carboxyl group. An (3+) is reduced while generating approximately equivalent hydrogen ions. When the reaction is late or the reaction temperature is high, the amount of hydrogen ions generated increases. The experimental results also show that chelation of Au (3+) with amidoxime will occur during the initial reaction. Reduce the salty simple An An “Rose” -shaped small grains adhere to the surface of the non-woven fabric fiber.