Fine-tuning mesoporous adsorbent for simultaneous ultra-trace palladium(II) detection, separation and recovery

被引：149
作者：
Awual, Md. Rabiul [1 ]
Hasan, Md. Munjur [2 ]
机构：
[1] Japan Atom Energy Agcy, Quantum Beam Sci Directorate, Actinide Coordinat Chem Grp, Sayo, Hyogo 6795148, Japan
[2] Shaheed Ziaur Rahman Med Coll, Bogra 5800, Bangladesh
来源：
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2015年 / 21卷
基金：
日本学术振兴会;
关键词：
Palladium(II); Detection and extraction; Mesoporous adsorbent; High selectivity; Uptake kinetics; LANTHANIDE SORPTION; ARSENIC(V) REMOVAL; IONS DETECTION; WASTE-WATER; PLATINUM(IV); PRECONCENTRATION; CHEMOSENSOR; ADSORPTION; RHODIUM(III); MECHANISM;
D O I：
10.1016/j.jiec.2014.03.013
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A simple and sensitive method was applied for determination and extraction of trace level palladium(II) in wastewater by using functionalized mesoporous silica based fine-tuning mesoporous adsorbent. The adsorbent was stable and easy to detect, adsorb and recover Pd(II) ions by charge transfer (intense pi-pi transition) complexation mechanism. The optimum experimental conditions such as pH, contact time, initial concentration, selectivity and sensitivity, type and amount of eluent for elution and various ionic interferences on detection and sorption were systematically evaluated. The determined maximum sorption capacity was 191.35 mg/g. The proposed method was applied successfully for extraction of Pd(II) in environmental wastewater samples. (C) 2014 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：507 / 515
页数：9
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