用扫描电镜(SEM)分析了亚磷酸三苯酯在A3钢表面所 成膜的微观形貌特征.结果表明：亚磷酸三苯酯在A3钢表面所成的膜具有三维结构.经 红 外光谱(IR)指认亚磷酸三苯酯与铁离子在A3钢表面形成配合物，由此推断了配位化合物的可 能结构.
Micromorphology analysis by SEM is performed on the film of triphenyl phosphite formed on A3 steel.The results show that the film is three-dimensional.It is confirmed by IR technique that complex compound is form ed between triphenyl phosphite and ferro-ferric ions.Based on the results,a poss ible structure of the complex compound is proposed.
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