Detection method of tebufenpyrad

A detection method, Glyclofenac technology, applied in measuring devices, instruments, scientific instruments, etc., can solve problems such as Glyclofenac not raised, and achieve the effect of ensuring food safety

Pending Publication Date: 2022-04-08
广东省中鼎检测技术有限公司
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  • Abstract
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Problems solved by technology

[0003] At present, the existing standards, technical documents, and materials have not proposed a detecti

Method used

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  • Detection method of tebufenpyrad
  • Detection method of tebufenpyrad
  • Detection method of tebufenpyrad

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Embodiment Construction

[0024] In order to better understand the present invention, the present invention will be further described below in conjunction with examples, but the embodiments of the present invention are not limited thereto.

[0025] A method for detecting glyclofenid, comprising the steps of: preparing a standard curve; preparing a sample; setting gas chromatographic instrument conditions; evaluating the matrix effect on the sample; methodological verification; .

[0026] The preparation of a solvent curve involves the following steps:

[0027] Standard stock solution (1mg / ml): weigh glyclofenid standard substance (accurate to 0.00001g) in a 10mL volumetric flask, dilute to the mark with n-hexane, mix well, and store at -18°C in the dark;

[0028] Standard intermediate solution (5μg / ml): Accurately pipette 125μL of glyclofenid stock solution (1mg / ml) into a 25mL volumetric flask, dilute to the mark with n-hexane, mix well, and store at -18°C in the dark;

[0029] The standard working ...

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Abstract

The invention relates to the field of agricultural product detection, in particular to a detection method of tetranylate, which comprises the following steps: preparing a standard curve; preparing a sample; setting conditions of a gas chromatographic instrument; performing matrix effect evaluation on the sample; methodology verification; the preparation standard curve comprises a preparation solvent curve and a preparation matrix curve. By establishing an appropriate instrument method and a pretreatment method, the residual quantity of the tetranylate in the agricultural products is detected, and the food safety is guaranteed.

Description

technical field [0001] The invention relates to the field of detection of agricultural products, in particular to a detection method of glycopyrroate. Background technique [0002] Glyclofenid is used as a pesticide and pharmaceutical intermediate for the synthesis of biben, 2,4-D, ibifos, Dukesan, glyclofenid and the drug thiobisdichlorophene. It mainly has stomach toxicity and has It has a certain contact effect and is non-systemic. It is suitable for the control of mites on cotton, vegetables, fruit trees and other crops, and is effective against both nymphs and adults. [0003] At present, the existing standards, technical documents, and materials have not proposed a detection method for glyphosate, so a detection method for glyphosate is needed to meet the existing requirements. Contents of the invention [0004] In order to solve the above technical problems, the present invention provides an efficient and simplified detection method for glyclofenac. [0005] The p...

Claims

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Application Information

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IPC IPC(8): G01N30/02G01N30/06
Inventor 王同珍张泳仪柯丽群
Owner 广东省中鼎检测技术有限公司
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