Stripping Voltammetric Determination of Lead in Coastal Waters With a Functional Micro-Needle Electrode
Han, Haitao; Pan, Dawei; Li, Ying; Wang, Jie; Wang, Chenchen
Source PublicationFRONTIERS IN MARINE SCIENCE
2020-04-03
Volume7Pages:196
KeywordREDUCED GRAPHENE OXIDE HEAVY-METALS ELECTROCHEMICAL DETERMINATION CARBON ELECTRODES COPPER PB CD SPECIATION PRECONCENTRATION NANOCOMPOSITE
MOST Discipline CatalogueEnvironmental Sciences ; Marine & Freshwater Biology
DOI10.3389/fmars.2020.00196
Contribution Rank[Han, Haitao; Pan, Dawei; Wang, Chenchen] Chinese Acad Sci, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Res Ctr Coastal Environm Engn Technol Shandong Pr, Yantai Inst Coastal Zone Res,Shandong Key Lab Coa, Yantai, Peoples R China; [Han, Haitao; Pan, Dawei; Wang, Chenchen] Chinese Acad Sci, Ctr Ocean Megasci, Qingdao, Peoples R China; [Han, Haitao; Pan, Dawei] Univ Chinese Acad Sci, Beijing, Peoples R China; [Li, Ying; Wang, Jie] Yantai Univ, Sch Chem & Chem Engn, Yantai, Peoples R China
Department海岸带环境工程技术研究与发展中心
AbstractIn this work, for the voltammetric determination of lead (Pb) in coastal waters, a novel functional micro-needle electrode based on 3D reduced graphene oxide/flower-like bismuth nanosheets (3DrGO/F-BiNSs) was fabricated. The micro-needle electrode was prepared with the commercial acupuncture needle (ANE) and functionalized with 3DrGO/F-BiNSs through stepwise electrodeposition method. The sensing surface (needle tip) of the micro-needle electrode was first modified with 3DrGO to enhance the conductivity and provide more active sites to combine Bi nanomaterials. Then the F-BiNSs were electrodeposited on the 3DrGO surface to facilitate the electrochemical voltammetric response of Pb2+ due to their excellent combining ability with Pb. The physical and electrochemical properties of the as-prepared 3DrGO/F-BiNSs/ANE were characterized by different techniques including scanning electron microscope (SEM), energy dispersive X-ray spectroscopy (EDS), and electrochemical methods. The 3DrGO/F-BiNSs/ANE exhibited an excellent performance for the voltammetric determination of Pb2+ with the linear range of 40 to 600 nmol L-1 and detection limit of 12.5 nmol L-1. Additionally, the application of the functional micro-needle electrode for Pb determination in different coastal water samples was also investigated.
SubtypeArticle
Indexed BySCI
Language英语
WOS KeywordREDUCED GRAPHENE OXIDE ; HEAVY-METALS ; ELECTROCHEMICAL DETERMINATION ; CARBON ELECTRODES ; COPPER ; PB ; CD ; SPECIATION ; PRECONCENTRATION ; NANOCOMPOSITE
WOS IDWOS:000523561100001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/25055
Collection中科院海岸带环境过程与生态修复重点实验室_海岸带环境工程技术研究与发展中心
Affiliation1.Chinese Acad Sci, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Res Ctr Coastal Environm Engn Technol Shandong Pr, Yantai Inst Coastal Zone Res,Shandong Key Lab Coa, Yantai, Peoples R China;
2.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao, Peoples R China;
3.Univ Chinese Acad Sci, Beijing, Peoples R China;
4.Yantai Univ, Sch Chem & Chem Engn, Yantai, Peoples R China
Recommended Citation
GB/T 7714
Han, Haitao,Pan, Dawei,Li, Ying,et al. Stripping Voltammetric Determination of Lead in Coastal Waters With a Functional Micro-Needle Electrode[J]. FRONTIERS IN MARINE SCIENCE,2020,7:196.
APA Han, Haitao,Pan, Dawei,Li, Ying,Wang, Jie,&Wang, Chenchen.(2020).Stripping Voltammetric Determination of Lead in Coastal Waters With a Functional Micro-Needle Electrode.FRONTIERS IN MARINE SCIENCE,7,196.
MLA Han, Haitao,et al."Stripping Voltammetric Determination of Lead in Coastal Waters With a Functional Micro-Needle Electrode".FRONTIERS IN MARINE SCIENCE 7(2020):196.
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