Get the proprietary stationary phase with 100% cyanopropyl substituted polydimethylsiloxane. The 100m column of MEGA-10 out-performed any other columns stated in AOCS method (88% cyanopropyl). Cyanopropyl bonding exibited steric hindrance properties which retained more to cis than trans isomers. The analysis time is cut short to about 25 mins with H2 carrier gas. Please get the quote and technical advice from our application chemists.