HF-Resistant TFE Tracey Spray Chamber for Optima 4300/5300/7300 V.This TFE Tracey spray chamber is used with Optima 4300 V, 5300 V, and 7300 V ICP-OES series instruments. The o-ring-free Tracey spray chamber, made of tetrafluoroethylene (TFE), is designed to be hydrofluoric acid-resistant. It does not have an internal baffle feature. Its precision is considered good and its purity is considered good. They can be teamed with the PolyCon HF-resistant nebulizers to form the ideal chemically inert sample introduction system for ICP-OES. Made from totally inert PTFE - impervious to organic solvents and strong acids, even HF Established Tracey cyclonic design ensures excellent sensitivity and precision Fast washout enables highest possible sample throughput Incorporates Helix nebulizer interface - no dead volume, smooth lock and release mechanism, no o-rings to replace Volume: 50 mL