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Träfflista för sökning "WFRF:(Gao Shanshuang) "

Sökning: WFRF:(Gao Shanshuang)

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1.
  • Qin, Danfeng, et al. (författare)
  • Protic salt-based nitrogen-doped mesoporous carbon for simultaneous electrochemical detection of Cd(II) and Pb(II)
  • 2017
  • Ingår i: RSC Advances. - : Royal Society of Chemistry. - 2046-2069. ; 7:59, s. 36929-36934
  • Tidskriftsartikel (refereegranskat)abstract
    • Nitrogen-doped mesoporous carbon (NMC) derived from a single small-molecule protic salt (p-phenylenediamine bisulfate) is used for sensing toxic heavy metal ions. Using Nafion, bismuth and NMC to anchor the glassy carbon electrode surface, the fabricate electrode shows high sensitivity for detecting Cd(II) and Pb(II). The limits of detection (S/N = 3) are estimated to be 0.3 mu g L-1 for Cd(II) and 0.4 mu g L-1 for Pb(II), respectively, which are 10 and 25 times lower than the maximum acceptable content for drinking water recommended by the WHO. Furthermore, the sensor is successfully used to analyze Cd(II) and Pb(II) in tap-water with high anti-interference capability and good recovery.
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2.
  • Qin, Danfeng, et al. (författare)
  • Three-dimensional carbon nanofiber derived from bacterial cellulose for use in a Nafion matrix on a glassy carbon electrode for simultaneous voltammetric determination of trace levels of Cd(II) and Pb(II)
  • 2017
  • Ingår i: Microchimica Acta. - : SPRINGER WIEN. - 0026-3672 .- 1436-5073. ; 184:8, s. 2759-2766
  • Tidskriftsartikel (refereegranskat)abstract
    • The authors describe the preparation of carbon nanofibers (CNFs) with a three-dimensional network structure by one-step carbonization of bacterial cellulose at 800 degrees C. The 3D CNFs wrapped with Nafion polymer were cast on a glassy carbon electrode (GCE) which then enables sensitive detection of Cd(II) and Pb(II). Under optimized conditions and at typical stripping peaks of around -0.80 and -0.55 V (vs Ag/AgCl), the electrode exhibits high sensitivity and a wide analytical range of 2-100 mu g.L-1 for both Cd(II) and Pb(II). The detection limits are 0.38 mu g.L-1 for Cd(II) and 0.33 mu g.L-1 for Pb(II), respectively. The modified GCE was successfully employed to the determination of trace amounts of Cd(II) and Pb(II) in both tap water and waste water.
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  • Resultat 1-2 av 2
Typ av publikation
tidskriftsartikel (2)
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refereegranskat (2)
Författare/redaktör
Wang, Le (2)
Wågberg, Thomas (2)
Hu, Guangzhi (2)
Mamat, Xamxikamar (2)
Yalikun, Nuerbiya (2)
Shen, Hangjia (2)
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Qin, Danfeng (2)
Gao, Shanshuang (2)
Wang, Ying (1)
Li, Yongtao (1)
Xu, Ruiyu (1)
Zhang, Shiguo (1)
Yuan, Qunhui (1)
Sukhrobov, Parviz (1)
Zhao, Yujie (1)
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Umeå universitet (2)
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Engelska (2)
Forskningsämne (UKÄ/SCB)
Naturvetenskap (2)
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2017 (2)

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