free cations
[friː ˈkæt.aɪ.ənz]
nounpl: free cations
cátions livres
1. Positively charged ions that are not bound to other molecules or atoms and can move freely in solution or gas phase
In an aqueous solution, free cations are responsible for electrical conductivity.
Em uma solução aquosa, os cátions livres são responsáveis pela condutividade elétrica.
2. Mobile cations that have not formed ionic bonds or complexes with anions or other species
The concentration of free cations determines the pH of the solution.
A concentração de cátions livres determina o pH da solução.
3. In biochemistry, cations such as Na⁺, K⁺, Ca²⁺, and Mg²⁺ that exist independently in cellular environments
Free cations like potassium are essential for nerve impulse transmission.
Cátions livres como o potássio são essenciais para a transmissão de impulsos nervosos.
This is primarily a scientific and technical term used in chemistry, biochemistry, and environmental science. It is not region-specific but rather discipline-specific, used similarly in both Brazilian and American scientific communities without significant variation. The term is essential in discussions of water quality, cellular physiology, and electrochemistry.
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