Definitions for "Chemical treatment"
The pearl finishing process may include a chemical treatment process. This happens after a pearl is harvested or taken out of the oyster and cleaned. Some manufacturers may use a process called irradiation or irradiated pearls. This process may combine a chemical solution with the use of ultra violet light as a way to whiten pearls after cleaning. This is done to create a uniform or standard look to the pearls.
(Traitement chimique) Process enabling raw materials to be modified, altered or transformed through the addition of chemical compounds.
technologies that use chemical processes to treat certain types of waste, e.g. neutralise acids.