Macherey-Nagel GC Capillary Column, deactivated, Methyl-Sil, 0,25 mm ID, 10m, without cage

Deactivated capillary columns (precolumns) with methyl deactivated surface for protection of the analytical column against contamination and extend its lifetime. Me-Sil is more inert than Phe-Sil, while Phe-Sil is less susceptible to contamination.