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Detection method for pesticide residue detector and pesticide residue detector

A detection method and technology for pesticide residues, applied in the field of rapid detection of food safety, can solve problems such as the uncommon use of automatic pesticide residue detection instruments, and achieve the effects of protecting traceability, improving work efficiency and reducing workload.

Pending Publication Date: 2021-09-28
智锐达仪器科技南通有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In the existing technical solutions, the use of fully automatic pesticide residue detection instruments is not yet common. How to perform detection on the fully automatic pesticide residue detector, how to perform initial detection, how to select the control value, etc., are all issues that need to be considered

Method used

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  • Detection method for pesticide residue detector and pesticide residue detector
  • Detection method for pesticide residue detector and pesticide residue detector
  • Detection method for pesticide residue detector and pesticide residue detector

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Embodiment Construction

[0027] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0028] figure 1 It is a structural block diagram of the whole machine of the automatic pesticide residue detector of the present invention. It can be seen from the figure that the upper sampling needle movement assembly 1 includes the sampling needle and the movement assembly that the sampling needle moves along the X, Y and Z directions, wherein the X and Y directions are sliding components, and the Z direction is a belt drive. Assemblies, the sampling needle movement assembly 1 is integrally slid and fixed on the support 9. The base 5 is fixed with the sample pretreatment module 2 and the pesticide residue detection module 3 , and the reagent rack 6 and the PC host 8 are on the right side. The front side of the sample pretreatment module 2 is the pesticide residue detection module 3, the right side is the reagent rack 6, the syringe assemb...

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Abstract

A detection method for a pesticide residue detector comprises the following steps: step A, selecting a sample; step B, selecting a contrast method, wherein the contrast method comprises historical contrast and re-contrast; step C, conducting initial test condition detection: detecting whether the current state of the pesticide residue detector meets the test requirement of the current sample period or not; step D, starting a current sample period test; and step E, analyzing a test result. After the detection method disclosed by the invention is adopted, automatic pesticide residue detection of fruit and vegetable samples can be quickly and efficiently completed in a standardized manner, meanwhile, the problem of nonstandard detection operation of detection personnel is avoided, the traceability of the fruit and vegetable samples to be detected is protected, the accuracy of detection data is improved, the workload of the detection personnel is reduced, and the working efficiency is improved, especially used in food safety rapid detection.

Description

technical field [0001] The invention relates to a detection method for a pesticide residue detector and a corresponding instrument, which are mainly used in the field of rapid detection of food safety. Background technique [0002] The principle of spectrophotometric detection of pesticide residues: Under certain conditions, organophosphorus and carbamate pesticides can inhibit the normal function of cholinesterase, and the inhibition rate is positively correlated with the concentration of pesticides. Under normal circumstances, the enzyme catalyzes the hydrolysis of the neurotransmitter metabolite (acetylcholine), and the hydrolyzed product reacts with the chromogenic agent to produce a yellow substance. The change of absorbance with time at 412nm is measured with a spectrophotometer, and the inhibition rate is calculated. By inhibiting The rate can determine whether there is a high dose of organophosphorus or carbamate pesticides in the sample. [0003] According to the n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/78G01N21/31G01N35/04
CPCG01N21/78G01N21/31G01N35/04
Inventor 朱静宁尚国李乾顾海涛
Owner 智锐达仪器科技南通有限公司