Literaturnachweis - Detailanzeige
| Autor/inn/en | Hudson, Reuben; Bishop, Alexandra; Glaisher, Samuel; Katz, Jeffrey L. |
|---|---|
| Titel | Visualizing Nanocatalysts in Action from Color Change Reaction to Magnetic Recycling and Reuse |
| Quelle | In: Journal of Chemical Education, 92 (2015) 11, S.1892-1895 (4 Seiten)Infoseite zur Zeitschrift
PDF als Volltext |
| Sprache | englisch |
| Dokumenttyp | gedruckt; online; Zeitschriftenaufsatz |
| ISSN | 0021-9584 |
| DOI | 10.1021/acs.jchemed.5b00106 |
| Schlagwörter | Science Instruction; Recycling; Magnets; College Science; Undergraduate Study; Demonstrations (Educational); Chemistry; Scientific Concepts; Color |
| Abstract | A demonstration to highlight the utility and ease of handling environmentally benign magnetically recoverable nanoparticle catalysts is described. The demonstration offers two powerful visuals. The first is a color change oxidation of tetramethylbenzidine by hydrogen peroxide catalyzed by Fe[subscript 3]O[subscript 4] nanoparticles. The second, and more pedagogically relevant to discussion of catalyst recycling, is the retrieval of these nanoparticles from solution with an external magnet and subsequent reuse for further rounds of catalysis. The demonstration, useful to instructors of general chemistry and green chemistry courses or animators of outreach activities, requires a modest time investment of less than 5 min, yet adds striking visual aids to discussions of catalyst recycling and reuse. (As Provided). |
| Anmerkungen | Division of Chemical Education, Inc and ACS Publications Division of the American Chemical Society. 1155 Sixteenth Street NW, Washington, DC 20036. Tel: 800-227-5558; Tel: 202-872-4600; e-mail: eic@jce.acs.org; Web site: http://pubs.acs.org/jchemeduc |
| Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
| Update | 2020/1/01 |
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