chromatography column plunger column http://msi-ontology.sourceforge.net/ontology/CHROM.owl#msi_01108 A plunger column is a chromatography column with adjustable heigth control. By means of an adjustable endpiece (plunger) the user can adjust the column length without disturbing the packed bed. Plunger columns can equalize volume changes and thus avoids dead volumes within the column. GROUP:<http://msi-ontology.sourceforge.net> PERSON:Daniel Schober plunger column