plate out

Verb

plate out (third-person singular simple present plates out, present participle plating out, simple past and past participle plated out)

1. (intransitive, chemistry, of an aqueous ion) To be neutralized and deposited onto a solid surface.

   In this galvanic cell, Ag⁺ ions are reduced into metallic silver and plate out onto an electrode.

   • 2007, Cathy Cobb, Monty L. Fetterolf, Jack G. Goldsmith, Crime Scene Chemistry for the Armchair Sleuth, Prometheus Books, →ISBN, page 212:

     You will observe copper metal plating out on the surface of the steel wool within minutes of its introduction into the solution.

2. (transitive, chemistry) To cause to plate out.
   • 2009, Radiochemistry and Nuclear Chemistry - Volume I, Eolss Publishers, →ISBN, page 203:

     Electrolysis or electrochemical deposition may be used either to plate out the active material of interest or to plate out other substances leaving the active material in solution.