hydronium ion


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hydronium ion

[hī′drō·nē·əm ¦ī‚än]
(inorganic chemistry)
H3O+An oxonium ion consisting of a proton combined with a molecule of water; found in pure water and in all aqueous solutions. Also known as hydrogen ion.
References in periodicals archive ?
In the second, a water molecule picks up a proton, creating a hydronium ion (H3O+).
The low Cd biosorption at pH less than 4 has been suggested to the competition among metal ions from hydronium ions for the available biosorption sites.
When the positively charged droplets come into contact with the sample being tested, the hydronium ions transfer their extra proton to molecules in the sample, turning them into ions.