| 摘要 |
Provided is an apparatus for full-automatic, ultra-low pressure, fractionation-free and non-destructive extraction of water, comprising a control box, an extraction part, an ultra-low temperature cold trap and a transmission device, wherein the control box and the extraction part are located at the top of a cabinet, the ultra-low temperature cold trap is located inside the cabinet, the control box is provided with a touch screen, a temperature-control meter is provided at a side face of the control box, the extraction part comprises an upper-layer plate, a middle-layer plate, a bottom plate and a test tube, the bottom plate is fixedly mounted on the cabinet, a test tube is contained in the ultra-low temperature cold trap, and the transmission device is fixedly mounted on the bottom plate. The beneficial effects thereof are being capable of extracting a plurality of samples at the same time, with a high extraction efficiency; and no need of consumables such as liquid nitrogen and organic solvents, which reduces pollutions to the environment. |
