A magnetic silver-containing coordination polymer was synthesized and its application as an adsorbent for removing lead ions more than 99% at optimum conditions from wastewater and seawater samples was developed. To characterize the silver–2–aminoterephthalic acid-functionalized Fe₃O₄ magnetic nanoparticles, various analyses including x-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy, fourier-transform infrared spectroscopy, energy dispersive x-ray spectroscopy, vibrating-sample magnetometer, dynamic light scattering and zeta potential analysis were performed. Batch adsorption experiments were carried out using a flame atomic absorption spectrometry system for determining the lead concentration. Effective parameters on removal efficiency, such as extraction time, sorbent amount and pH of sample solution were optimized by “one at a time” method. The adsorption conformed to a Langmuir adsorption isotherm with a maximum adsorption capacity of 31 mg g⁻¹ during 15 min. The kinetic of adsorption was consistent with Pseudo-second-order model. The results showed that the sorbent has an appropriate ability to remove Pb²⁺ ions through a spontaneous and endothermic procedure.

合成了一种含磁性的含银配位聚合物，并开发了其在最佳条件下从废水和海水样品中去除99％以上铅离子的吸附剂的应用。表征由银-2-氨基对苯二甲酸官能化的Fe ₃ O ₄磁性纳米粒子，进行了各种分析，包括X射线衍射，场发射扫描电子显微镜，透射电子显微镜，傅立叶变换红外光谱，能量色散X射线光谱，振动样品磁力计，动态光散射和Zeta电位分析。使用火焰原子吸收光谱系统进行批吸附实验以确定铅的浓度。通过“一次”方法优化了去除效率的有效参数，例如萃取时间，吸附剂量和样品溶液的pH。吸附符合Langmuir吸附等温线，最大吸附容量为31 mg g ^-1在15分钟内 吸附动力学与伪二级模型一致。结果表明，该吸附剂具有通过自发吸热程序去除Pb ²⁺离子的适当能力。