This 0-slot quartz torch is used with Optima 8x00 ICP-OES series instruments. Demountable design using one-piece quartz tubing for plasma and auxiliary gas flow. Available in a wide range of styles from 0-slot to 3-slot torches, depending on instrument and application needs. Torches without slots are recommended for organic solvents. 1-slot torches are the standard torch for aqueous solutions. 3-slot torches are typically used for organic analysis.