This demountable 1-slot torch design uses one-piece quartz tubing for plasma and auxiliary gas flow and is the standard torch for aqueous solutions. Included in: Avio 200 Torch Body Assembly (N0790138), Avio 500 Torch Body Assembly (N0810128), Quick Change Torch Module Cyclonic Spray Chamber/Concentric Nebulizer for Avio 200 (N0790607), Quick Change Torch Module Cyclonic Spray Chamber/Concentric Nebulizer for Avio 500 (N0810607), Quick Change Torch Module Scott Spray Chamber/Cross-Flow Nebulizer for Avio 200 (N0790606), Quick Change Torch Module Scott Spray Chamber/Cross-Flow Nebulizer for Avio 500 (N0810606), Cyclonic/Concentric Kit for Avio 200/500 (N0790608) and the Scott/Cross-Flow II Kit (N0790609) for Avio 200/500.