Electrodeposition of Nd and Pr onto W from fluoride based melts
Elektrohemijsko taloženje Nd i Pr na W iz fluoridnih rastopa
Аутори
Cvetković, Vesna S.Feldhaus, Dominic
Vukićević, Nataša
Nikolić, Nebojša D.
Friedrich, Bernd
Jovićević, Jovan N.
Конференцијски прилог (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
Electrodeposition of neodymium and praseodymium metal from molten NdF3+PrF3+LiF+ 0.5wt.%Pr6O11+0.5wt.%Nd2O3 electrolytes on W was investigated using voltammetry at 1050 °C. The square wave voltammetry confirmed that Nd electrodeposition is a two-step reduction process: first, involving one electron exchange (Nd(III)→Nd(II)) and second, involving two electrons exchange (Nd(II)→Nd(0)). However, praseodymium deposition proceeds as an one-step process involving exchange of three electrons (Pr(III)→Pr(0)). Nd and Pr metals were electrodeposited applying potentiostatic mode. The working electrode surface was analyzed by X-ray diffraction after Nd and Pr co-deposition.
Elektrohemijsko taloženje neodijuma i prazeodijuma iz fluoridnog NdF3+PrF3+LiF+ 0.5wt.%Pr6O11+0.5wt.%Nd2O3 rastopa na W radnoj elektrodi ispitivano je pomoću voltametrijskih tehnika na 1050 °C. Voltametrija sa pravougaonim talasima (SWV, square wave voltammetry) potvrdila je da je elektrohemijsko taloženje Nd proces koji se odvija u dva koraka: prvi, uključuje razmenu od jednog elektrona (Nd(III) → Nd(II)) i drugi korak, uključuje razmenu dva elektrona (Nd(II) → Nd(0)). Međutim, taloženje prazeodijuma uključuje izmenu tri elektrona (Pr(III) → Pr(0)) u jednom koraku. Nd i Pr su elektrohemijski taloženi primenom potenciostatskog režima. Nakon elektrohemijskog taloženja Nd i Pr površina radne elektrode analizirana je rengensko-difrakcionom tehnikom.
Кључне речи:
neodymium / praseodymium / fluoride melts / SWV / XRD / neodijum / prazeodijum / fluoridni rastopiИзвор:
Meeting point of the science and practice in the fields of corrosion, materials and environmental protection : proceedings XXII YuCorr International Conference / Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine : knjiga radova XXII YuCorr [Jugoslovenska korozija] Međunarodna konferencija, 2021, 140-144Издавач:
- Belgrade : Serbian Society of Corrosion and Materials Protection (UISKOZAM)
Финансирање / пројекти:
- Министарство науке, технолошког развоја и иновација Републике Србије, институционално финансирање - 200026 (Универзитет у Београду, Институт за хемију, технологију и металургију - ИХТМ) (RS-MESTD-inst-2020-200026)
- The bilateral research project (ID: 451-03-01344/2020-09/8)
Напомена:
- XII YuCorr International Conference, September 13-16, 2021, Tara Mountain, Serbia, http://sitzam.org.rs/YUCORR/
Институција/група
IHTMTY - CONF AU - Cvetković, Vesna S. AU - Feldhaus, Dominic AU - Vukićević, Nataša AU - Nikolić, Nebojša D. AU - Friedrich, Bernd AU - Jovićević, Jovan N. PY - 2021 UR - https://cer.ihtm.bg.ac.rs/handle/123456789/4887 AB - Electrodeposition of neodymium and praseodymium metal from molten NdF3+PrF3+LiF+ 0.5wt.%Pr6O11+0.5wt.%Nd2O3 electrolytes on W was investigated using voltammetry at 1050 °C. The square wave voltammetry confirmed that Nd electrodeposition is a two-step reduction process: first, involving one electron exchange (Nd(III)→Nd(II)) and second, involving two electrons exchange (Nd(II)→Nd(0)). However, praseodymium deposition proceeds as an one-step process involving exchange of three electrons (Pr(III)→Pr(0)). Nd and Pr metals were electrodeposited applying potentiostatic mode. The working electrode surface was analyzed by X-ray diffraction after Nd and Pr co-deposition. AB - Elektrohemijsko taloženje neodijuma i prazeodijuma iz fluoridnog NdF3+PrF3+LiF+ 0.5wt.%Pr6O11+0.5wt.%Nd2O3 rastopa na W radnoj elektrodi ispitivano je pomoću voltametrijskih tehnika na 1050 °C. Voltametrija sa pravougaonim talasima (SWV, square wave voltammetry) potvrdila je da je elektrohemijsko taloženje Nd proces koji se odvija u dva koraka: prvi, uključuje razmenu od jednog elektrona (Nd(III) → Nd(II)) i drugi korak, uključuje razmenu dva elektrona (Nd(II) → Nd(0)). Međutim, taloženje prazeodijuma uključuje izmenu tri elektrona (Pr(III) → Pr(0)) u jednom koraku. Nd i Pr su elektrohemijski taloženi primenom potenciostatskog režima. Nakon elektrohemijskog taloženja Nd i Pr površina radne elektrode analizirana je rengensko-difrakcionom tehnikom. PB - Belgrade : Serbian Society of Corrosion and Materials Protection (UISKOZAM) C3 - Meeting point of the science and practice in the fields of corrosion, materials and environmental protection : proceedings XXII YuCorr International Conference / Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine : knjiga radova XXII YuCorr [Jugoslovenska korozija] Međunarodna konferencija T1 - Electrodeposition of Nd and Pr onto W from fluoride based melts T1 - Elektrohemijsko taloženje Nd i Pr na W iz fluoridnih rastopa SP - 140 EP - 144 UR - https://hdl.handle.net/21.15107/rcub_cer_4887 ER -
@conference{ author = "Cvetković, Vesna S. and Feldhaus, Dominic and Vukićević, Nataša and Nikolić, Nebojša D. and Friedrich, Bernd and Jovićević, Jovan N.", year = "2021", abstract = "Electrodeposition of neodymium and praseodymium metal from molten NdF3+PrF3+LiF+ 0.5wt.%Pr6O11+0.5wt.%Nd2O3 electrolytes on W was investigated using voltammetry at 1050 °C. The square wave voltammetry confirmed that Nd electrodeposition is a two-step reduction process: first, involving one electron exchange (Nd(III)→Nd(II)) and second, involving two electrons exchange (Nd(II)→Nd(0)). However, praseodymium deposition proceeds as an one-step process involving exchange of three electrons (Pr(III)→Pr(0)). Nd and Pr metals were electrodeposited applying potentiostatic mode. The working electrode surface was analyzed by X-ray diffraction after Nd and Pr co-deposition., Elektrohemijsko taloženje neodijuma i prazeodijuma iz fluoridnog NdF3+PrF3+LiF+ 0.5wt.%Pr6O11+0.5wt.%Nd2O3 rastopa na W radnoj elektrodi ispitivano je pomoću voltametrijskih tehnika na 1050 °C. Voltametrija sa pravougaonim talasima (SWV, square wave voltammetry) potvrdila je da je elektrohemijsko taloženje Nd proces koji se odvija u dva koraka: prvi, uključuje razmenu od jednog elektrona (Nd(III) → Nd(II)) i drugi korak, uključuje razmenu dva elektrona (Nd(II) → Nd(0)). Međutim, taloženje prazeodijuma uključuje izmenu tri elektrona (Pr(III) → Pr(0)) u jednom koraku. Nd i Pr su elektrohemijski taloženi primenom potenciostatskog režima. Nakon elektrohemijskog taloženja Nd i Pr površina radne elektrode analizirana je rengensko-difrakcionom tehnikom.", publisher = "Belgrade : Serbian Society of Corrosion and Materials Protection (UISKOZAM)", journal = "Meeting point of the science and practice in the fields of corrosion, materials and environmental protection : proceedings XXII YuCorr International Conference / Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine : knjiga radova XXII YuCorr [Jugoslovenska korozija] Međunarodna konferencija", title = "Electrodeposition of Nd and Pr onto W from fluoride based melts, Elektrohemijsko taloženje Nd i Pr na W iz fluoridnih rastopa", pages = "140-144", url = "https://hdl.handle.net/21.15107/rcub_cer_4887" }
Cvetković, V. S., Feldhaus, D., Vukićević, N., Nikolić, N. D., Friedrich, B.,& Jovićević, J. N.. (2021). Electrodeposition of Nd and Pr onto W from fluoride based melts. in Meeting point of the science and practice in the fields of corrosion, materials and environmental protection : proceedings XXII YuCorr International Conference / Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine : knjiga radova XXII YuCorr [Jugoslovenska korozija] Međunarodna konferencija Belgrade : Serbian Society of Corrosion and Materials Protection (UISKOZAM)., 140-144. https://hdl.handle.net/21.15107/rcub_cer_4887
Cvetković VS, Feldhaus D, Vukićević N, Nikolić ND, Friedrich B, Jovićević JN. Electrodeposition of Nd and Pr onto W from fluoride based melts. in Meeting point of the science and practice in the fields of corrosion, materials and environmental protection : proceedings XXII YuCorr International Conference / Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine : knjiga radova XXII YuCorr [Jugoslovenska korozija] Međunarodna konferencija. 2021;:140-144. https://hdl.handle.net/21.15107/rcub_cer_4887 .
Cvetković, Vesna S., Feldhaus, Dominic, Vukićević, Nataša, Nikolić, Nebojša D., Friedrich, Bernd, Jovićević, Jovan N., "Electrodeposition of Nd and Pr onto W from fluoride based melts" in Meeting point of the science and practice in the fields of corrosion, materials and environmental protection : proceedings XXII YuCorr International Conference / Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine : knjiga radova XXII YuCorr [Jugoslovenska korozija] Međunarodna konferencija (2021):140-144, https://hdl.handle.net/21.15107/rcub_cer_4887 .