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Method for detecting diminazene diaceturate residue

A detection method, the technology of triazine, which is applied in the field of detection of triazine residues, achieves the effect of reducing the hazards of easy volatilization and wide detection range

Active Publication Date: 2021-03-19
欧陆分析检测技术服务(青岛)有限公司
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

In order to reduce the chance of drugs entering the human body through the food chain, both my country and the World Health Organization have set limits on the maximum residues of triazine in animal milk and animal muscle tissue, but there are few national standards and related documents at present. In the description of the detection, when communicating with related companies recently, it was found that triazine is used, but there is no relevant detection technology at present, so a related detection method for triazine was developed

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  • Method for detecting diminazene diaceturate residue
  • Method for detecting diminazene diaceturate residue
  • Method for detecting diminazene diaceturate residue

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Embodiment Construction

[0038] 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.

[0039] A detection method for triazine residues, the specific operations are as follows.

[0040] 1. Preparation of standard solution

[0041] 1.1 Preparation of stock solution

[0042] 1.1.1 Accurately weigh 10 mg of triazine standard substance, dilute to 10 ml with deionized water, prepare 1000 mg / L standard stock solution, and store in a refrigerator;

[0043] 1.1.2 Dilute the above standard stock solution with methanol water solution (methanol 50+water 50) to make up a 1mg / L standard working solution accurately, and store in a refrigerator.

[0044] 1.1.3 Preparation of standard working curve standard solution

[0045] Use the above standard working solution t...

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Abstract

The invention discloses a method for detecting diminazene diaceturate residue. The method comprises the following steps: extracting diminazene diaceturate in an object to be detected by using 80 percent of acetonitrile aqueous solution, and performing quantitative analysis by using ultra-high performance liquid chromatography-tandem mass spectrometry. According to the method, the 80% of acetonitrile aqueous solution is used for extraction, so that the harm of easy volatilization caused by extraction by only using an organic reagent is reduced. The method is wide in detection range, is not onlyapplied to animal muscle tissues, but also applied to matrixes such as dairy products and kidneys; liquid chromatography is used to detect the diminazene diaceturate, and a problem of false positivecaused by the influence of the matrixes when a liquid phase is adopted for detection is solved.

Description

technical field [0001] The invention relates to the field of detection of veterinary drug residues, in particular to a detection method for triazine residues. Background technique [0002] Triazamidine, which belongs to aromatic diamidines, is a traditionally used broad-spectrum anti-blood protozoa drug, such as having therapeutic effects on domestic animals Piroplasma, Trypanosomiasis and Anaplasma. Judging from the existing clinical reports, the safety range of triazine is small, and adverse reactions are prone to occur when it is used continuously or in large doses. After entering the animal body, triazine is absorbed and distributed quickly, eliminated slowly, and hardly metabolized in the body. , mainly excreted from the body through the kidneys. Studies have shown that there is still a small amount of residue in the milk of lactating cows on the 21st day after administration. In order to reduce the chance of drugs entering the human body through the food chain, both ...

Claims

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Application Information

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IPC IPC(8): G01N30/02G01N30/14
CPCG01N30/02G01N30/14G01N2030/146Y02A50/30
Inventor 周凯付建李勤勤郭爱娟张发玲于佳佳
Owner 欧陆分析检测技术服务(青岛)有限公司
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