Of or pertaining to or containing arsenic as arsenical vapor arsenical wall surface reports
- associated with or containing arsenic
- a pesticide or medication containing arsenic
- Of or pertaining to, or containing, arsenic; as, arsenical vapor; arsenical wall surface reports.
(a.) Of or regarding, or containing, arsenic; because, arsenical vapor; arsenical wall papers.
It is obtained commercially by roasting arsenical pyrites in either a Brunton's or Oxland's rotatory calciner, the crude product being collected in suitable condensing chambers, and afterwards refined by resublimation, usually in reverberatory furnaces, the foreign matter being deposited in a long flue leading to the condensing chambers.