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A hydrated hydrogen ion, H3O+. Also called hydronium ion.

References in periodicals archive ?
Hydronium ions pass through the proton exchange membrane, which is a solid electrolyte in electrochemical cell.
Regarding the study about the influence of the pH over the material's adsorption capacity, it can be seen from Figure 2, that at pH 1, due to the high concentration of hydronium ions, the adsorption of Cd(II) is drastically reduced.
At low pH, the surface of the adsorbent was surrounded by hydronium ions that compete with metal ions, which prevented the metal ions approaching the binding sites on the adsorbent.
This is because protons in water as hydronium ions have an anomalous 12-times faster diffusion than their diameter predicts (Kunkel et al.
The research question regarded the structural and material change of contact lenses in various concentrations of hydronium or hydroxide ions in solution (measured by pH).
Activated Carbon Surface + Monochloramine + Water [right arrow] Ammonia + Hydronium Ion + Chloride Ion + Oxidized Site on the Activated Carbon Surface
A low pH indicates a high concentration of hydronium ions, while a high pH indicates a low concentration.
The columns used were: (1) Cation trap column CS12A high efficiency cation-exchange resin in the hydronium form, (4 x 250 mm) analytical.
There is also important to understand the dynamics involved in the reaction in the sorbentsolution interface, which should consider interactions such as ion exchange, surface hydrolysis, hydration, competing exchange reactions between metal ions in solution and free hydronium ions ([H.
Hydrogen sulphide also reacts with water molecules to form hydronium, again a highly- acidic substance," Sudhir Khera, an engineer, said.