Device and method for extraction and sampling of pesticide residues in fruits and vegetables for microfluidic detection
A technology for pesticide residues and sample injection devices, which is applied to analytical materials, instruments, etc., can solve problems such as lack of automatic pretreatment functions, and achieve the effect of promoting popularization development, high mixing efficiency, and improving the degree of automation
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[0025] see figure 1, is a schematic diagram of the overall structure of the fruit and vegetable pesticide residue extraction and sampling device for microfluidic detection of the present invention, the device includes a box 1, and the top of the box 1 is sealed with a top cover 12. A filter press motor 2 , a filter press main body 11 , and a textured rough chassis 9 are arranged from top to bottom inside the box body 1 . The filter press motor 2 is fixedly connected to the middle part of the top cover 12. The output shaft of the filter press motor 2 is vertically downward, which is the rotating shaft 10. The rotating shaft 10 extends vertically downward into the filter press main body 11 and is connected with the The screw holes 4 are coupled and connected. In this way, after the filter press motor 2 rotates, the filter press body 11 moves up and down along the rotating shaft 10 to play the role of pumping and pressing, which is a built-in pumping and pressing structure in the...
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