Automatic liquid-liquid extraction system and method suitable for solvents with different densities

By designing an automatic liquid-liquid extraction system, and using a phase-separated sensor and a phase-separated pipetting valve to achieve automated extraction and separation, the problem of enrichment position differences during solvent extraction with different densities is solved, and efficiency and practicality are improved.

CN119633451APending Publication Date: 2025-03-18JIANGSU ENVIRONMENTAL MONITORING CENT +2
0 Cites 0 Cited by

Patent Information

Application Number
CN202411788485.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-03-18

AI Technical Summary

Technical Problem

When the existing liquid-liquid extraction technology treats solvents of different densities, there are differences in the enrichment position, which makes it difficult to extract and collect the organic phases obtained from the extraction, which increases the difficulty of processing, and requires cumbersome operation and manual intervention, which affects efficiency.

Method used

An automatic liquid-liquid extraction system is designed, including a sample injection module, an extraction module and a receiving module. It uses a phase separation sensor and a phase separation pipetting valve to achieve automatic extraction and separation, which is suitable for one or more extractions of solvents of different densities.

Benefits of technology

It realizes automated liquid-liquid extraction without manual intervention, improves the analytical processing efficiency, is suitable for solvents of different densities, is widely applicable, has strong practicality and good extraction effect.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The invention belongs to the technical field of chemical analysis treatment, and provides an automatic liquid-liquid extraction system and method suitable for solvents with different densities, and the automatic liquid-liquid extraction system comprises: a sample introduction module, which is provided with a sample introduction channel, and the sample introduction channel is provided with a first sample introduction branch and a second sample introduction branch which are connected in parallel; the extraction module comprises a first extraction container and a second extraction container, and the liquid outlet end of the first extraction container and the liquid outlet end of the second extraction container are each provided with a split-phase sensor and a split-phase pipetting valve which are sequentially connected; and the receiving module is used for receiving the extracted sample liquid. The automatic liquid-liquid extraction system suitable for the solvents with the different densities can automatically complete liquid-liquid extraction of the solvents, manual treatment intervention is not needed, the automation degree and the analysis treatment efficiency are improved, and the automatic liquid-liquid extraction system is suitable for one-time or multi-time extraction of the solvents with the different densities and is wide in application range, high in practicability and good in extraction effect.
Need to check novelty before this filing date? Find Prior Art