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Structural study and electrochemical behavior of KPb4-xCdx(PO4)3 (0≤x≤2) in capturing mercury (II) at graphite electrode


 
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1. Title Title of document Structural study and electrochemical behavior of KPb4-xCdx(PO4)3 (0≤x≤2) in capturing mercury (II) at graphite electrode
 
2. Creator Author's name, affiliation, country Sara Lahrich; University of Hassan I, polydisciplinary faculty. Laboratory of chemistry and mathematical modeling. Khouribga; Morocco
 
2. Creator Author's name, affiliation, country Bouchaib Manoun; University of Hassan I, polydisciplinary faculty. Khouribga; Morocco
 
2. Creator Author's name, affiliation, country Moulay Abderrahim El Mhammedi; University of Hassan I, polydisciplinary faculty. Laboratory of chemistry and mathematical modeling. Khouribga; Morocco
 
3. Subject Discipline(s)
 
3. Subject Keyword(s) Lacunar apatite; Rietveld method; differential pulse anodic stripping voltammetry; seawater and fish.
 
4. Description Abstract

A novel mercury (II) sensor was developed by modifying carbon paste electrode by anion-deficient apatite. The later was synthesized using solid reaction and characterized with XRD, FTIR, Raman and electrochemical techniques. The refinement results with Rietveld method shows good agreement between the experimental and calculated XRD patterns with satisfactory reliability factors. All experimental variables involved in the differential pulse anodic stripping voltammetric (DPASV) method were optimized to develop a reliable method to measure low concentration of mercury (II). The interference experiments show that Ag (I), Pb (II), Cd (II), Fe (II) and Cu (II) had little or no influence on the Hg (II) signal. Moreover, the prepared electrode revealed good repeatability. The practicability of proposed method for the determination of Hg (II) in fish and seawater samples has shown the satisfactory results.
 
5. Publisher Organizing agency, location
 
6. Contributor Sponsor(s) University Hassan 1, Morocco
 
7. Date (YYYY-MM-DD) 17-08-2017
 
8. Type Status & genre Peer-reviewed Article
 
8. Type Type
 
9. Format File format PDF
 
10. Identifier Uniform Resource Identifier https://revues.imist.ma/index.php/jasi/article/view/8601
 
10. Identifier Digital Object Identifier (DOI) https://doi.org/10.48442/IMIST.PRSM/jasi-v1i1-3.8601
 
11. Source Title; vol., no. (year) Journal of Applied Surfaces and Interfaces; Vol 1, No 1-3 (2017)
 
12. Language English=en en
 
13. Relation Supp. Files
 
14. Coverage Geo-spatial location, chronological period, research sample (gender, age, etc.)
 
15. Rights Copyright and permissions Copyright (c) 2017 Journal of Applied Surfaces and Interfaces