A method for detecting lithium battery related organic phosphorus compounds in environmental solid matrix by lc-ms / ms

The LC-MS/MS detection method solves the problem of high-sensitivity and high-accuracy analysis of novel organophosphorus compounds related to lithium batteries in environmental media, and realizes qualitative and quantitative detection of 27 compounds, supporting the monitoring and risk assessment of environmental pollutants.

CN122409901APending Publication Date: 2026-07-17GUIZHOU UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
GUIZHOU UNIV
Filing Date
2026-05-09
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies lack highly sensitive and accurate analytical detection methods for novel organophosphorus compounds related to lithium batteries in environmental media, making it difficult to meet the needs of environmental pollution monitoring, pollution source analysis, and environmental risk assessment.

Method used

The LC-MS/MS method was used to process the samples through steps such as stainless steel mesh sieving, extraction, centrifugation, and concentration. A standard curve was established by combining high performance liquid chromatography-tandem mass spectrometry (LC-MS/MS) to achieve qualitative and quantitative analysis of 27 lithium battery-related organophosphorus compounds.

Benefits of technology

It achieves high sensitivity and high accuracy in detecting various lithium battery-related organophosphorus compounds in environmental solid matrices, filling a gap in environmental detection technology and providing technical support for environmental monitoring and risk assessment of pollutants.

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Abstract

The application belongs to the field of detection, and discloses a kind of LC-MS / MS detection methods of lithium battery related organic phosphorus compounds in environmental solid matrix.The method comprises the following steps: (1) pretreatment: the environmental medium to be measured is extracted with extraction solvent, and the supernatant is taken after centrifugal separation;(2) preparing standard curve: the standard solution of lithium battery related organic phosphorus compounds is detected by LC-MS / MS to obtain a standard curve;(3) the supernatant in step (1) is tested according to the operation of LC-MS / MS in step (2), and then the peak area is substituted into the standard curve.The application uses LC-MS / MS, which can simultaneously qualitatively and quantitatively analyze 27 kinds of lithium battery related organic phosphorus compounds, has high detection accuracy and stability, and is beneficial to the subsequent research and development of lithium battery related organic phosphorus compounds.
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