本发明提供了一种用于阴阳离子吸附的吸附剂及其制备方法,属于环境污染治理领域。其中制备方法包括以下步骤:向呈弱酸性的磁铁矿溶液中加入镧盐,并添加碱将磁铁矿溶液调至碱性,混匀处理后,用水洗涤至中性,然后经脱水、煅烧后研磨。该吸附剂具有核壳结构,吸附剂包括具有磁性的复合材料以及负载于该复合材料的氢氧化镧;复合材料包括由水铁矿包裹的磁铁矿。本发明的吸附剂对阴阳离子具有高效吸附能力,而且制备成本低,易分离。本发明的制备方法简单、能耗低,制得的样品带磁性,易于分离,同时制备过程为液相反应过程,无需使用有害试剂 ...
陈情泽 +5 more
core
[Integrated pharmaceutical innovation experiment: preparation of molecularly imprinted polymers and the application in sample pretreatment for in vivo drug analysis]. [PDF]
Jiang Y +5 more
europepmc +1 more source
[Magnetic fluorinated covalent triazine frameworks for efficient extraction of perfluorinated compounds]. [PDF]
Zhang WM +4 more
europepmc +1 more source
[Experimental teaching design of instrument analysis for undergraduate study: detection of bifenthrin pesticide residues in tea by response surface methodology-optimized QuEChERS combined with gas chromatography-mass spectrometry]. [PDF]
Gu CX.
europepmc +1 more source
[Design of ZIF-L-based boronate affinity molecularly imprinted material and its application in the detection of ribavirin in environmental water]. [PDF]
Qi W, Tong Y.
europepmc +1 more source
[Preparation of superhydrophilic imprinted resin-graphene aerogel composite and its precise recognition of tumor biomarker in urine]. [PDF]
Wang M, Tian T, Bai L, Han D, Yan H.
europepmc +1 more source
[Determination of 13 prohibited alkaloids in essential oil-based cosmetics by ultra performance liquid chromatography-tandem mass spectrometry combining QuEChERS purification]. [PDF]
Liu Z +6 more
europepmc +1 more source
高效去除核废水中高浓度锝酸盐(99TcO₄⁻)至关重要。现有吸附剂容量低,再生频繁,核素再释放风险高。共价有机框架(COFs)在吸附铼酸(锝酸替代物)方面潜力显著,但传统实验方式筛选高性能吸附剂效率较低。为此,提出基于机器学习的COFs筛选策略。通过收集文献中关于COFs特性和铼酸吸附实验参数的多维数据,构建了一个用于预测铼酸吸附性能的数据集。随机森林算法训练的模型表现最佳,可用来模拟吸附过程并从公开数据库中筛选出高容量吸附剂。关键结构特性分析表明,调控吸附剂孔直径(2~5 nm)和原子加权电负性(0 ...
袁岭 +5 more
doaj
[Determination of eight ultraviolet absorbers in surface water and wastewater by ultra performance liquid chromatography-triple quadrupole mass spectrometry]. [PDF]
Sun HJ +5 more
europepmc +1 more source
本文应用理化分析手段和吸附试验,研究了国内、外典型吸附剂吸附SOF2,S2F10O,SO2等低氟硫化物、酸性物质以及水份的性能。结果表明:国产F—03吸附剂具有最佳吸附效果。最后,还介绍了在SF6电器设备中吸附剂放置量的估算方法。
doaj

