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Method for detecting pesticide residues in vegetables

A technology for pesticide residue detection and pesticide residue, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problem of incomplete detection of pesticide residues

Inactive Publication Date: 2019-08-23
中农康正技术服务有限公司
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Problems solved by technology

[0004] Aiming at the deficiencies of the prior art, the present invention provides a method for detecting pesticide residues in vegetables, which has the advantages of comprehensively detecting pesticide residues in vegetables, and solves the problem of incomplete detection of pesticide residues in vegetables

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  • Method for detecting pesticide residues in vegetables

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0028] see Picture 1-1 , the invention provides a method for detecting pesticide residues in vegetables, comprising: S1: extracting samples; cleaning the vegetables to be detected with pure water, cutting a part of the leaves of the vegetables to be detected, and dividing the cut leaves into two parts and placing them in two extraction In the container, cut the surface of the vegetable stem to be detected, divide the cut stem into two equal parts and place th...

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Abstract

The present invention relates to the technical field of vegetable pesticide detection, and discloses a method for detecting pesticide residues in vegetables, including the following steps: S1: extracting samples; S2: detecting the samples, wherein the processed and classified samples are sent into different chromatographic analysis instruments respectively for detection, so as to more comprehensively detect the residual components and content of pesticides in the vegetables; S3: going through a gas chromatograph, so as to analyze the content of some gasified pesticide residues of the pesticideresidues in the vegetables, thus enabling the content of the pesticide residues in the vegetables to be detected quickly, effectively and sensitively; S8: going through a high performance liquid chromatograph that is used to analyze high boiling point and non-volatile, heat-labile and large molecular weight organic compounds, so as to perform chromatographic analysis in a manner of high pressuresolvent delivery; S3: introducing the data into an analyzer, comparing each of detected chromatograms, determining the chromatograms of the pesticide residues in the vegetables by using a mathematicalinduction method in combination with previous data references and determining the content of the pesticide residues of leaves and stems of the vegetables.

Description

technical field [0001] The invention relates to the technical field of vegetable pesticide detection, in particular to a method for detecting vegetable pesticide residues. Background technique [0002] With the development of agricultural industrialization, the production of agricultural products is increasingly dependent on exogenous substances such as pesticides, antibiotics and hormones. The amount of pesticides used in food, vegetables, fruits, and tea remains high in China, and the unreasonable use of these substances will inevitably lead to excessive pesticide residues in agricultural products, affecting consumers' food safety, and in severe cases will cause consumers to become sick, develop Abnormal, and even directly lead to poisoning death. Excessive pesticide residues will also affect the trade of agricultural products. Since pesticide residues are very harmful to humans and organisms, my country has strictly managed the use of pesticides and made strict regulati...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N30/02
CPCG01N30/02
Inventor 林琳戴春阳李陈娟
Owner 中农康正技术服务有限公司
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