دورية أكاديمية
Measurement of permanganate index in environmental water via indirect phase-conversion strategy.
| العنوان: | Measurement of permanganate index in environmental water via indirect phase-conversion strategy. |
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| المؤلفون: | Xie WQ; School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China. Electronic address: weiqixie@csu.edu.cn., Gong YX; School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China. |
| المصدر: | Journal of chromatography. A [J Chromatogr A] 2024 Aug 02; Vol. 1728, pp. 464987. Date of Electronic Publication: 2024 May 10. |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: Elsevier Country of Publication: Netherlands NLM ID: 9318488 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-3778 (Electronic) Linking ISSN: 00219673 NLM ISO Abbreviation: J Chromatogr A Subsets: MEDLINE |
| أسماء مطبوعة: | Original Publication: Amsterdam ; New York : Elsevier, 1993- |
| مواضيع طبية MeSH: | Oxides*/chemistry , Water Pollutants, Chemical*/analysis, Chromatography, Gas/methods ; Potassium Permanganate/chemistry ; Manganese Compounds/chemistry ; Carbon Dioxide/analysis ; Carbon Dioxide/chemistry ; Water/chemistry |
| مستخلص: | In this work, we proposed an indirect phase-conversion strategy to construct a new approach for accurately and efficiently determining the permanganate index in water samples via headspace GC measurement. After the reducible substances in water reacted with excess potassium permanganate, the remaining potassium permanganate underwent a reaction with sodium oxalate under acidic conditions. The carbon dioxide generated from the gas-evolving reaction was then analyzed by headspace GC. Our findings showed that this new approach boasts high precision (relative standard deviation ≤ 2.18%) and accuracy for permanganate index analysis, thus validating the effectiveness of this new method in analyzing permanganate index. The introduction of the indirect phase-conversion strategy in this study is expected to set a precedent for further advancements in methodologies designed to indirectly evaluate substances capable of undergoing gas-producing reactions. Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. (Copyright © 2024 Elsevier B.V. All rights reserved.) |
| فهرسة مساهمة: | Keywords: Environmental water; HS-GC; Permanganate index; Phase-conversion strategy |
| المشرفين على المادة: | 0 (Oxides) 0 (Water Pollutants, Chemical) 00OT1QX5U4 (Potassium Permanganate) 0 (Manganese Compounds) 142M471B3J (Carbon Dioxide) 14333-13-2 (permanganic acid) 059QF0KO0R (Water) |
| تواريخ الأحداث: | Date Created: 20240531 Date Completed: 20240609 Latest Revision: 20240609 |
| رمز التحديث: | 20240610 |
| DOI: | 10.1016/j.chroma.2024.464987 |
| PMID: | 38821034 |
| قاعدة البيانات: | MEDLINE |
Full Text Finder | تدمد: | 1873-3778 |
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| DOI: | 10.1016/j.chroma.2024.464987 |