Samples are placed in uniform-size vials, sealed with a septum, and held in a tray. A needle penetrates the to withdraw solution from the vial, and an electronically or pneumatically operated valve introduces it onto the column.
Samples are placed in uniform-size vials, sealed with a septum, and held in a tray. A needle penetrates the to withdraw solution from the vial, and an electronically or pneumatically operated valve introduces it onto the column.