HPLC-MSMS method for measuring glyphosate, glufosinate-ammonium and metabolites
A technology for metabolites, glufosinate-ammonium, which is used in measurement devices, instruments, scientific instruments, etc., can solve the problems of low mass spectrometry response, affect detection results, and long time, and achieve the effect of improving sensitivity
Pending Publication Date: 2022-05-27
CITRUS RES INST OF ZHEJIANG PROVINCE
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Abstract
The invention belongs to the technical field of compound detection, and discloses an HPLC-MSMS (High Performance Liquid Chromatography-Mass Spectrometry Mass Spectrometry) method for measuring glyphosate, glufosinate-ammonium and metabolites, which comprises the following steps: pretreating a to-be-measured actual sample: adding frozen fruits and vegetables and dry ice into a mortar, and grinding into a fine powder state; accurately weighing 5.0 g of sample powder, and adding the sample powder into a 50mL centrifugal tube; adding 10.0 mL of methanol containing 1.0% of formic acid into the centrifugal tube; after shaking the centrifugal tube for 1 minute by hand, violently shaking the centrifugal tube for 5 minutes by adopting a mechanical mode, carrying out centrifugal treatment for 5 minutes at the speed of 8000 rpm, and finally filtering supernate by using a 0.22 mu m filter; a chromatography-mass spectrometry method is developed according to the structural characteristics of the compound; and analyzing the target compound by using a detector. Technical breakthrough is achieved, the key technical problem of a direct method is basically solved, the detection efficiency and the sensitivity of the method are improved, and determination can be completed within 3 minutes.
Application Domain
Component separation
Technology Topic
Chemical compoundFormic acid +9
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