replaceable cations
[/rɪˈpleɪsəbl ˈkætaɪənz/]
nounpl: replaceable cations
cátions trocáveis
1. Positively charged ions in soil or mineral structures that can be exchanged with other cations without changing the fundamental structure of the solid material; these ions are adsorbed on exchange sites and can be replaced by other cations present in a solution
The replaceable cations in the clay soil include calcium, magnesium, and potassium ions.
Os cátions trocáveis no solo argiloso incluem íons de cálcio, magnésio e potássio.
2. In soil chemistry and agriculture, ions that contribute to soil fertility and can be released or replaced through ion exchange processes
Farmers monitor replaceable cations to assess soil nutrient availability.
Os agricultores monitoram os cátions trocáveis para avaliar a disponibilidade de nutrientes do solo.
3. In chemistry and materials science, cations that occupy exchange positions on the surface or within the crystal lattice of adsorbent materials
Ion exchange resins can be regenerated by replacing their replaceable cations.
As resinas de troca iônica podem ser regeneradas pela substituição de seus cátions trocáveis.
This is a specialized scientific term primarily used in soil science, agronomy, and chemistry. It is particularly important in Brazil due to the agricultural significance of understanding soil properties for crop production. The term is essential in academic and professional contexts related to agriculture, environmental science, and materials engineering in both Brazil and Portugal.
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