To ensure dependable and accurate MS results as well as optimized uptime, Rxi®-1301Sil MS GC columns offer true cyano phase selectivity along optimal thermal stability. This silarylene-based cyano stationary phase, 1301-type column provides selectivity needed for analyzing less volatile compounds. Thermal stability and bleed levels maximize MS compatibility, and optimized inertness improves peak shape and response for accurate quantitative results.