The determination of oxidising and reducing cations in transition-metal oxides using vanadium sulphate solutions |
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| Affiliation: | 1. School of Chemical Engineering, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon, 16419, Republic of Korea;2. School of Materials Science and Engineering, North University of China, Taiyuan, Shanxi 030051, China;3. Department of Chemistry, Pohang University of Science and Technology, Pohang 37673, Republic of Korea;4. School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea;5. Department of Chemistry, Yonsei University, Seoul 03722, Republic of Korea;6. Institute for Convergence Research and Education in Advanced Technology (I-CREATE), Yonsei University, Seoul 03722, Republic of Korea;7. Department of Materials Science & Engineering, Chonnam National University, Gwangju 61186, Republic of Korea;8. SKKU Advanced Institute of Nanotechnology, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea;1. College of Chemistry and Chemical Engineering, Xi''an University of Science and Technology, Xi''an 710054, China;2. School of Metallurgical Engineering, Xi''an University of Architecture and Technology, Xi''an 710055, China;1. Department of Environmental Engineering and Management, Chaoyang University of Technology, Taichung City, 413310, Taiwan;2. Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung, 81157, Taiwan;3. Advanced Functional Materials & Optoelectronics Laboratory (AFMOL), Department of Physics, Faculty of Science, King Khalid University, P.O Box-9004, Abha, 61413, Saudi Arabia;4. Department of Chemistry and University Centre for Research & Development, Chandigarh University, Mohali, 140413, Punjab, India;1. Université catholique de Louvain, Institute of Information and Communication Technologies, Electronics and Applied Mathematics (ICTEAM), Louvain-la-Neuve, Belgium;2. XLIM Research Institute, UMR 7252, CNRS/Université de Limoges, Limoges, France |
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| Abstract: | Because vanadium sulphate solutions are very stable, they make useful analytical reagents. A solution of quinquevalent vanadium sulphate in dilute sulphuric acid can be used for the determination of PeII, TiIII and VIII ions present in solid oxides. A similar solution of quadrivalent vanadium can be used for the determination of CoIII, MnIII and MnIV. The importance of the method in studies of mixed transition-metal oxides is briefly discussed. |
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