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Voltammetry of chro...
Voltammetry of chromium(VI) at the liquid|liquid interface
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- O'Mahony, Aoife (författare)
- Tyndall National Institute, University College Cork, Ireland
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- Scanlon, Michael (författare)
- Tyndall National Institute, University College Cork, Ireland
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- Berduque, Alfonso (författare)
- Tyndall National Institute, University College Cork, Ireland
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- Beni, Valerio (författare)
- Tyndall National Institute, University College Cork, Ireland
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- Arrigan, Damien (författare)
- Tyndall National Institute, University College Cork, Ireland
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- Faggi, Enrico (författare)
- Università di Firenze, Italy
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- Bencini, Andrea (författare)
- Università di Firenze, Italy
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(creator_code:org_t)
- Elsevier, 2005
- 2005
- Engelska.
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Ingår i: Electrochemistry communications. - : Elsevier. - 1388-2481 .- 1873-1902. ; 7:10, s. 976-982
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The voltammetry of hexavalent chromium (ammonium dichromate) at the interface between two immiscible electrolyte solutionsis reported. Detection of Cr(VI) by ion transfer voltammetry is possible by use of an organic phase ionophore, which facilitates thetransfer of Cr(VI) from the aqueous into the organic phase. The ionophore was the penta protonated form of polyamine macrocycle2,5,8,11,14-pentaaza[15]-16,29-phenanthrolinophane (NeoTT). Cyclic voltammetry showed an increase of the peak current onincreasing the concentration of Cr(VI). Square wave voltammetry with background subtraction was employed for low level concentrationdetection. The lowest concentration detected was 0.25 parts per million of Cr(VI).
Ämnesord
- NATURVETENSKAP -- Kemi -- Analytisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Analytical Chemistry (hsv//eng)
Nyckelord
- Liquid|liquid interface; ITIES; Hexavalent chromium; Facilitated ion transfer; Ammonium dichromate
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