Solid-phase extraction instrument and use method

• Main Authors: LI YANXIANG, ZHANG YUQIANG, LUAN RIJIAN, MA LONG, MA MING, YU JIMIAO, ZHANG WENBO
• Format: Patent
• Language: Chinese; English
• Published: 11.01.2022
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PHYSICS; SEPARATION; TESTING; TRANSPORTING

The invention discloses a solid-phase extraction instrument and a use method. The solid-phase extraction instrument comprises a main machine and a solvent barrel lowest liquid level detection system, the main machine comprises a shell, a plurality of extraction units and a public liquid adding unit, the extraction units and the public liquid adding unit are located in the shell, and the structures of the extraction units are the same; each extraction unit sequentially comprises a purification column, a purification column rotating manipulator and a tetrafluoro cock of the purification column which are clamped together from bottom to top, a glass tube is fixed by a purification column fixing clamp, and a receiving cup device is placed at the lower part of a liquid outlet of the purification column; the public liquid adding unit comprises a metering pump, a multi-channel switching valve, a liquid adding waste liquid bottle and a liquid adding transmission device. According to the solid-phase extraction instrume