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.

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In the second, a water molecule picks up a proton, creating a hydronium ion (H3O+).

How water reacts with solid catalysts

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.

Biosorption of [Cd.sup.2+] from aqueous solutions by tolerant fungus Humicola sp

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.

Technique that quickly identifies bacteria has applications in food safety, health care, and homeland security