Stationary phase: Molecular sieve 5A Easily separate permanent gases at temperatures above ambient Improve accuracy with sharp, symmetrical peaks for argon, oxygen, and carbon monoxide Similar phases: Rt-Msieve 5A, HP-PLOT Molesieve, CP-Molsieve 5A, Mol Sieve 5A PLOT, PLT-5A, AT-Mole Sieve Temp. Range: up to 300°C