Size characterization of silver nanoparticles after separation from silver ions in environmental water using magnetic reduced graphene oxide

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成果类型：

期刊论文

作者：

Luo, Li;Yang, Yuan;Li, Haipu;Ding, Ru;Wang, Qiang*;...

通讯作者：

Wang, Qiang;Yang, Zhaoguang

作者机构：

[Luo, Li; Ding, Ru; Li, Haipu; Wang, Qiang; Yang, Zhaoguang] Cent S Univ, Coll Chem & Chem Engn, Ctr Environm & Water Resources, Changsha 410083, Hunan, Peoples R China.

[Luo, Li; Wang, Qiang] Cent S Univ, Hunan Prov Key Lab Efficient & Clean Utilizat Man, Changsha 410083, Hunan, Peoples R China.

[Yang, Yuan] Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Hunan, Peoples R China.

[Wang, Q; Yang, Zhaoguang] 932 LuShan Nan Rd, Changsha 410083, Hunan, Peoples R China.

通讯机构：

[Wang, Q; Yang, ZG] 9

932 LuShan Nan Rd, Changsha 410083, Hunan, Peoples R China.

语种：

英文

关键词：

Adsorption;Isotherm model;Kinetic model;Magnetic field;SP-ICPMS

期刊：

Science of The Total Environment

ISSN：

0048-9697

年：

2018

卷：

612

页码：

1215-1222

DOI：

10.1016/j.scitotenv.2017.09.024

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [21407182]; Fundamental Research Funds for the Central Universities of Central South University [2017zzts554]; Special Fund for Agro-scientific Research in the Public Interest of China [201503108]; Hunan Provincial Science and Technology Plan Project, China [2016TP1007]

机构署名：

本校为其他机构

院系归属：

资源环境学院

摘要：

This study involved the synthesis of magnetic reduced graphene oxide (M-rGO) using a co-precipitation method and examined its resultant adsorption properties for mixtures containing silver ions and silver nanoparticles (AgNPs). The results indicate that M-rGO preferentially adsorbs silver ions in mixtures containing AgNPs, enabling the size characterization of smaller AgNPs (< 60 nm) at ultra-trace concentration levels to be more attainable. The sorbents after adsorption could be easily recovered through an external magnet. The AgNPs retained in solution were characterized using single-particl...

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Size characterization of silver nanoparticles after separation from silver ions in environmental water using magnetic reduced graphene oxide

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