MoO42-, PO43- and imidazoline compound would alter the ion selectivity of the iron sulfide precipitate film from biporlar structure to cation-selective.

• 当硫化亚铁膜上吸附了MoO42-、PO43-等含氧阴离子和咪唑啉缓蚀剂后，双极膜的结构转变为阳离子选择性。