Formation and growth of lithium phosphate chemical gardens
| Autor: | Michael Emmanuel, Emese Lantos, Dezső Horváth, Ágota Tóth |
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| Rok vydání: | 2022 |
| Předmět: | |
| Zdroj: | Soft Matter. 18:1731-1736 |
| ISSN: | 1744-6848 1744-683X |
| DOI: | 10.1039/d1sm01808f |
| Popis: | We show that a chemical garden can be developed from an alkaline metal precipitate using a flow-driven setup. By injecting sodium phosphate solution into lithium chloride solution from below, a liquid jet appears, on which a precipitate grows forming a structure resembling a hydrothermal vent. The precipitate column continuously builds upward until a maximum height is reached. The vertical growth then significantly slows down while the tube diameter still increases. The analysis of the growth profiles has revealed a linear dependence of volume growth rate on the injection rate, hence yielding a universal growth profile. The expansion in diameter, localized at the tip of the structure, scales with a power law suggesting that the phenomenon is controlled by both diffusion and convection. |
| Databáze: | OpenAIRE |
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