阿特拉津在聚碳酸酯膜中的迁移性能研究

Migration properties of atrazine in the polycarbonate membrane

采用紫外分光光度法研究不同条件下阿特拉津在孔径为100 nm的聚碳酸酯膜上的迁移性能的差异,考察黑壤腐植酸与阿特拉津的结合情况。实验结果表明:溶液pH值范围为5.3～7.4时,阿特拉津吸光度相对稳定;不同浓度阿特拉津在聚碳酸酯膜上的迁移量与浓度呈线性关系,线性方程为y=0.0792x-0.0016,R2=0.9999;溶液pH为6.4,阿特拉津与腐植酸的结合效果最好;离子强度逐渐增加对阿特拉津与腐植酸的结合有一定的抑制作用。

Ultraviolet spectrophotometer of ATR under different conditions was used to study the difference of migration properties in the 100 nm polycarbonate membrane, which investigated the binding of black soil HA and ATR. The results showed that： in pH range orS. 3 -7. 4 solution,the ATR absorbance is relatively stable. The migration of ATR in polycarbonate membrane has a linear relationship with different concentration, and the linear equation is y = 0. 0792x-0. 0016, R^2 = 0. 9999. When the pH value is 6. 4 in solution, the ATR has the best combination with HA. And the combination of ATR and HA will decrease with the ion concentration of Ca^2＋ increasing.