摘要 |
The invention related to an annular chromatograph including a particle bed which rotates on a rotary plate (3), said plate having eluate drainage lines, with regard to a stationary base and a stationary feeder head (10) with continuous feeder lines. The annular chromatograph has a central column (2) provided on a rotary plate and extending upwards through the feeder head. A tightening device (16,17) for pressing the feeder head (10) on the cylinder sleeve (6) is arranged on said column. |