| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid chromatography device which cannot only precisely press a filler in a low pressure region but also prevent the damage of the filler.SOLUTION: In the liquid chromatography device having a chromatographic column 2, a movable plug 3 for pressurizing the filler supplied into the chromatographic column 2 or a slurry of the filler and a drive means for driving the movable plug 3, the drive means is a gas pressure cylinder, preferably a gas pressure cylinder 4 with a lock having a lock device 19. |
