| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Harris process | Mining | Process for removing arsenic, antimony, tin, and zinc from virgin or secondary lead by agitating the molten metal with molten caustic soda and salt. All undesirable metals are oxidized, and the oxides are dissolved in the caustic, with the exception of silver, which is removed in a subsequent desilvering operation. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
