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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.8
- 수록면
- 579 - 587 (14page)
이용수
초록· 키워드
오류제보하기
Novel silane grafted bentonite was obtained using the natural bentonite as precursor material. The material which is termed as nanocomposite was characterized by the Fourier Transform Infra-red (FT-IR) and X-ray diffraction (XRD) methods. The surface imaging and elemental mapping was performed using Scanning Electron Microscopic (SEM/EDX) technique. The electroanalytical studies were performed using the nanocomposite electrode. The electroactive surface area of nanocomposite electrode was significantly increased than the pristine bentonite or bare carbon paste based working electrode. The impedance spectroscopic studies were conducted to simulate the equivalent circuit and Nyquist plots were drawn for the carbon paste electrode and nanocomposite electrodes. A single step oxidation/reduction process occurred for As(III) having ΔE value 0.36 V at pH 2.0. The anodic stripping voltammetry was performed for concentration dependence studies of As(III) (0.5 to 20.0 μg/L) and reasonably a good linear relationship was obtained. The detection limit of the As(III) detection was calculated as 0.00360±0.00002 μg/L having with observed relative standard deviations (RSD) less than 4%. The presence of several cations and anions has not affected the detection of As(III) however, the presence of Cu(II) and Mn(II) affected the detection of As(III). The selectivity of As(III) was achieved using the Tlawng river water sample spiked with As(III).
목차
ABSTRACT
1. Introduction
2. Experimental Section
3. Results and Discussion
4. Conclusions
References
참고문헌 (41)
참고문헌 신청
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Liu Y, Huang Z, Xie Q, et al. Electrodeposition of electro reduced graphene oxide?Au nanoparticles composite film at glassy carbon electrode for anodic stripping voltammetric analysis of trace arsenic(III). Sens. Actuat. B: Chem. 2013;188:894-901.
Shukla S, Chaudhary S, Umar A, Chaudhary GR, Mehta SK. Tungsten oxide(WO3) nanoparticles as scaffold for the fabrication of hydrazine chemical sensor. Sens. Actuat. B: Chem. 2014;196:231-237.
Fang H, Zhang J, Zhou S, et al. Submonolayer deposition on glassy carbon electrode for anodic stripping voltammetry: an ultra-sensitive method for antimony in tap water. Sens. Actuat. B: Chem. 2015;210:113-119.
Trachioti MG, Karantzalis AE, Hrbac J, Prodromidis MI. Low-cost screen-printed sensors on-demand: Instantly prepared sparked gold nanoparticles from eutectic Au/Si alloy for the determination of arsenic at the sub-ppb level. Sens. Actuat. B: Chem. 2019;281:273-280.
Liu Y, Huang Z, Xie Q, et al. Electrodeposition of electro reduced graphene oxide?Au nanoparticles composite film at glassy carbon electrode for anodic stripping voltammetric analysis of trace arsenic(III). Sens. Actuat. B: Chem. 2013;188:894-901.
Shukla S, Chaudhary S, Umar A, Chaudhary GR, Mehta SK. Tungsten oxide(WO3) nanoparticles as scaffold for the fabrication of hydrazine chemical sensor. Sens. Actuat. B: Chem. 2014;196:231-237.
Fang H, Zhang J, Zhou S, et al. Submonolayer deposition on glassy carbon electrode for anodic stripping voltammetry: an ultra-sensitive method for antimony in tap water. Sens. Actuat. B: Chem. 2015;210:113-119.
Trachioti MG, Karantzalis AE, Hrbac J, Prodromidis MI. Low-cost screen-printed sensors on-demand: Instantly prepared sparked gold nanoparticles from eutectic Au/Si alloy for the determination of arsenic at the sub-ppb level. Sens. Actuat. B: Chem. 2019;281:273-280.
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