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Portable pesticide residue detection device and method
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A portable technology for pesticide residue detection, which is applied in the direction of chemical reaction of materials and material analysis by observing the impact on chemical indicators. Volume saving effect
Active Publication Date: 2022-04-12
CHINA AGRI UNIV
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[0003] In view of the above analysis, the embodiment of the present invention aims to provide a portable pesticide residue detection device and method to solve the problem that existing pesticide monitoring devices are not easy to carry
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Embodiment 1
[0063] This embodiment discloses a portable pesticide residue detection device, such as Figure 1~Figure 11 shown, including:
[0064] The base 1 is provided with a rotating table 11 and a sample placement part 12;
[0065] The fixed seat 2 is installed on the turntable 11 and can rotate horizontally relative to the turntable 11;
[0066] At least one detection component 3, the detection component 3 is detachably mounted on the fixed base 2, and rotates synchronously with the fixed base 2; the detection component 3 is provided with a liquid storage chamber for storing pesticides Residual reagent; the detection component 3 is provided with a liquid outlet connected to the liquid storage chamber, the detection component 3 rotates with the fixed seat 2 once, and the liquid outlet is at least from the sample placement part 12 Pass above once, in case the reagent can drop to the sample placed in the sample placement part 12 .
[0067] Preferably, the portable pesticide residue d...
Embodiment 2
[0098] This embodiment discloses a pesticide residue detection method, using the portable pesticide residue detection device provided in Example 1 for detection, including the following steps:
[0099] Step 1: Make sample test papers of different pesticide residues to be detected, place the sample test papers in the sample slots of the sample plate, and then put the sample plate into the sample placement part;
[0101] Step 2: adding 18-22 μL of the acetylcholinesterase solution dropwise to the sample test paper;
[0102] Step 3: After 14 to 16 minutes, continue to drop 18 to 22 μL of the acetylcholine solution to the sample test paper successively;
[0103] Step 4: After 9 to 11 minutes, continue to drop 9 to 11 μL of TMB solution and 9 to 11 μL of H 2 o 2 solution;
[0104] Step 5: After 4-6 minutes, judge the am...
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Abstract
The invention relates to a portable pesticide residue detection device and method, which are used for solving the problem that the existing pesticide monitoring device is not easy to carry. The portable pesticide residue detection device of the present invention comprises: a base provided with a rotating table and a sample placing part; the fixed seat is mounted on the rotating table and can horizontally rotate relative to the rotating table; the plurality of detection assemblies are detachably mounted on the fixed seat and synchronously rotate along with the fixed seat; the detection assembly is provided with a liquid storage cavity for storing a reagent for detecting pesticide residues; the detection assembly is provided with a liquid outlet communicated with the liquid storage cavity, the detection assembly rotates for a circle along with the fixed seat, and the liquid outlet passes through the upper part of the sample placing part at least once, so that the reagent can drop to a sample placed in the sample placing part.
Description
technical field [0001] The invention relates to the technical field of food safety detection, in particular to a portable pesticide residue detection device and method. Background technique [0002] Organophosphorus and carbamate pesticides have been widely used in the production of agricultural products of fruits and vegetables. However, long-term consumption of agricultural products containing organophosphorus and carbamate pesticide residues is very harmful to human health. Most of the existing detection technologies require the participation of large-scale instruments and professionals, and cannot realize portable detection. Contents of the invention [0003] In view of the above analysis, the embodiment of the present invention aims to provide a portable pesticide residue detection device and method to solve the problem that existing pesticide monitoring devices are not easy to carry. [0004] In one aspect, the present invention provides a portable pesticide residue...
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