Solid-phase extraction device

• Main Authors: DENG MING, CHEN TONGQIANG, JING HUIHUA, XIANG JUN, LI KAILONG, LI CAN
• Format: Patent
• Language: Chinese; English
• Published: 26.07.2022
• Subjects: CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The utility model relates to a liquid extraction device, and particularly discloses a solid-phase extraction device which comprises a liquid storage cavity (1), a liquid inlet pipe (2) and a liquid outlet pipe (3) which are connected with one end of the liquid storage cavity (1), and a suction unit (4) which is connected with the other end of the liquid storage cavity (1) and is used for sucking liquid, a first extraction unit (51) and a liquid inlet one-way valve (6) are arranged in the liquid inlet pipe (2), and the liquid inlet one-way valve (6) only allows liquid to flow to the liquid storage cavity (1) from the liquid inlet pipe (2); a second extraction unit (52) and a liquid outlet one-way valve (7) are arranged in the liquid outlet pipe (3), and the liquid outlet one-way valve (7) only allows liquid to flow to the liquid outlet pipe (3) from the liquid storage cavity (1). According to the solid-phase extraction device disclosed by the utility model, secondary pollution to extracted liquid can be avoide