دورية أكاديمية
On the role of Fe(III) ions on the Reduction Mechanisms of Concentrated Nitric Acid
| العنوان: | On the role of Fe(III) ions on the Reduction Mechanisms of Concentrated Nitric Acid |
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| المؤلفون: | Pellé, J., Gruet, N., Gwinner, B., Schlegel, M., Vivier, Vincent |
| المساهمون: | Laboratoire Interfaces et Systèmes Electrochimiques (LISE), Institut de Chimie - CNRS Chimie (INC-CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Service de la Corrosion et du Comportement des Matériaux dans leur Environnement (SCCME), Département de Physico-Chimie (DPC), CEA-Direction des Energies (ex-Direction de l'Energie Nucléaire) (CEA-DES (ex-DEN)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-CEA-Direction des Energies (ex-Direction de l'Energie Nucléaire) (CEA-DES (ex-DEN)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Service d'études analytiques et de réactivité des surfaces (SEARS) |
| المصدر: | ISSN: 0013-4686 ; Electrochimica Acta ; https://hal.science/hal-02430665Test ; Electrochimica Acta, 2020, 335, pp.135578. ⟨10.1016/j.electacta.2019.135578⟩. |
| بيانات النشر: | HAL CCSD Elsevier |
| سنة النشر: | 2020 |
| مصطلحات موضوعية: | Iron ion catalysis, Nitrate reduction reaction, Autocatalytic mechanism, Electrochemical impedance spectroscopy, [CHIM]Chemical Sciences |
| الوصف: | International audience ; The reduction mechanism of concentrated HNO3 (4 mol L-1) was investigated on a gold electrode at 40 °C by coupling electrochemical methods (cyclic voltammetry, chrononamperometry and electrochemical impedance spectroscopy) with chemical analysis of solution by Raman spectroscopy and the gas analysis by mass spectrometry. It was demonstrated that in such conditions, Fe(III) promotes the catalytic reduction reactions of concentrated HNO3. This was ascribed to the fact that Fe(III) modifies the chemical equilibrium in concentrated nitric acid by generating reduced species of nitric acid such as NO2. Then, the presence of these species catalyses the reduction of nitric acid with a mechanism which can tuned depending on the concentration in Fe(III) and the applied potential. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| العلاقة: | hal-02430665; https://hal.science/hal-02430665Test; https://hal.science/hal-02430665/documentTest; https://hal.science/hal-02430665/file/Electrochimica_Acta_Julien_PELLE%CC%81.pdfTest |
| DOI: | 10.1016/j.electacta.2019.135578 |
| الإتاحة: | https://doi.org/10.1016/j.electacta.2019.135578Test https://hal.science/hal-02430665Test https://hal.science/hal-02430665/documentTest https://hal.science/hal-02430665/file/Electrochimica_Acta_Julien_PELLE%CC%81.pdfTest |
| حقوق: | info:eu-repo/semantics/OpenAccess |
| رقم الانضمام: | edsbas.B2414E39 |
| قاعدة البيانات: | BASE |
| DOI: | 10.1016/j.electacta.2019.135578 |
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