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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2023.8
- 수록면
- 51 - 60 (10page)
이용수
초록· 키워드
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Present work reports the application of a composite of ZIF-67/rGO for the simultaneous detection of traces of lead and cadmium via square wave anodic stripping voltammetry (SWASV) technique. For this, graffoil sheets were modified with synthesized composite for the electrode fabrication [(ZIF-67/rGO)/Graffoil] for its use in sensing studies. The SWASV response of (ZIF-67/rGO)/Graffoil electrode was optimized against deposition potential (-1.0 V) and time (350 s), required for the accumulation of metal ions onto the sensor electrode. The performance of the sensing electrode was then evaluated for lead (Pb<SUP>2+</SUP>) and cadmium (Cd<SUP>2+</SUP>) ions at various concentrations. The sensor displayed linear response in a wide concentration range of 5-100 ppb. The peak current of the electrode was found to be shifted towards the higher potential at higher metal ion concentrations. Based on the response measured, the limit of detection (LOD) of the fabricated sensor has been estimated and found to be 5 and 2.93 ppb for Pb<SUP>2+</SUP> and Cd<SUP>2+</SUP> ions, respectively. The results obtained revealed good specificity of the proposed sensor towards Pb<SUP>2+</SUP> and Cd<SUP>2+</SUP> ions in the co-presence of several other ions. In addition, the sensor exhibited good reproducibility with a relative standard deviation (RSD) of ~2% for both Pb<SUP>2+</SUP> and Cd<SUP>2+</SUP> ions.
목차
ABSTRACT
1. Introduction
2. Experimental
3. Results & Discussion
4. Conclusion
References
참고문헌 (57)
참고문헌 신청
Manisalidis I , Stavropoulou E, Stavropoulos A , Bezirtzoglou E. Environmental and Health Impacts of Air Pollution: A Review. Front. Public Heal. 2020;8:1–24. https://doi:10.3389/fpubh.2020.00014.
Naidu R, Biswas B, Willett I R et al. Chemical pollution: A growing peril and potential catastrophic risk to humanity. Environ. Int. 156 2021;106616. https://doi:10.1016/j.envint.2021.106616.
Zinatloo-ajabshir S, Salavati-niasari M. Preparation of magnetically retrievable CoFe2O4@SiO2@Dy2Ce2O7 nanocomposites as novel photocatalyst for highly efficient degradation of organic contaminants, Compos. Part B. 2019;174:106930. https://doi.org/10.1016
Zinatloo-ajabshir S, Heidari-asil S A, Salavati-niasari M. Simple and eco-friendly synthesis of recoverable zinc cobalt oxide-based ceramic nanostructure as high-performance photocatalyst for enhanced photocatalytic removal of organic contamination under
Zinatloo-ajabshir S, Baladi M, Salavati-niasari M. Sono-synthesis of MnWO4 ceramic nanomaterials as highly efficient photocatalysts for the decomposition of toxic pollutants, Ceram. Int. 2021;47:30178–30187. https://doi.org/10.1016/j.ceramint.2021.07.197.
Naidu R, Biswas B, Willett I R et al. Chemical pollution: A growing peril and potential catastrophic risk to humanity. Environ. Int. 156 2021;106616. https://doi:10.1016/j.envint.2021.106616.
Zinatloo-ajabshir S, Salavati-niasari M. Preparation of magnetically retrievable CoFe2O4@SiO2@Dy2Ce2O7 nanocomposites as novel photocatalyst for highly efficient degradation of organic contaminants, Compos. Part B. 2019;174:106930. https://doi.org/10.1016
Zinatloo-ajabshir S, Heidari-asil S A, Salavati-niasari M. Simple and eco-friendly synthesis of recoverable zinc cobalt oxide-based ceramic nanostructure as high-performance photocatalyst for enhanced photocatalytic removal of organic contamination under
Zinatloo-ajabshir S, Baladi M, Salavati-niasari M. Sono-synthesis of MnWO4 ceramic nanomaterials as highly efficient photocatalysts for the decomposition of toxic pollutants, Ceram. Int. 2021;47:30178–30187. https://doi.org/10.1016/j.ceramint.2021.07.197.
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