Simple portable pesticide residue detector

A pesticide residue and detector technology, which is applied in the direction of chemical reaction of materials and material analysis by observing the impact on chemical indicators, can solve the problems of high detection cost and inability to conduct on-site inspection and control. , to achieve the effect of high sensitivity, low detection cost and easy portability

Inactive Publication Date: 2014-04-09
陈文通
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Problems solved by technology

Existing pesticide residue detection generally adopts chromatographic analysis, with the help of expensive large-scale instruments in the laboratory, and professional operators conduct detection and analysi...

Method used

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  • Simple portable pesticide residue detector

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Embodiment 1

[0011] This implementation example is simple and portable pesticide residue detector, including rechargeable battery as power supply 1, power supply 1 is connected with control chip 2, deceleration motor 3, heater 4, deceleration motor 3 is connected with detection tablet belt 5, heater 4 is connected with detection The tablet belt 5 is connected, and the output end of the control chip 2 is connected with a reduction motor 3, a heater 4, a buzzer 6, a USB port 7, and the USB port 7 is connected with the power supply 1.

[0012] Working principle and operation steps: the working principle of the patented simple and portable pesticide residue detector of the present invention is to use the cholinesterase (white tablet) in the quick test card to catalyze 2,6-dichloroindophenol acetate (red tablet) ) hydrolyzes indophenol (blue), because organophosphorus and carbamate pesticides will inhibit the activity of cholinesterase, which will change the color development after catalytic hyd...

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Abstract

The invention discloses a simple portable pesticide residue detector, and belongs to the technical field of trace detection. The simple portable pesticide residue detector is based on enzymatic inhibition method-based pesticide residue detecting technology, and can be used for on-site detection of organophosphorus pesticide residue and carbamates pesticide residue in fruits and vegetables. The simple portable pesticide residue detector is composed of a control chip, a rechargeable battery, a reducer motor, a heater, a paper tape reel attached with detection tablets, a USB terminal, and the like. Detection lower limit of the simple portable pesticide residue detector ranges from 0.0 to 3.0mg/L (organophosphorus pesticides and carbamates pesticides), the simple portable pesticide residue detector is small in size, light in weight, low in instrument cost and detection cost, high in practicality and sensitivity, and wide in application range; is convenient for carrying and operation, and quick for detection; and can be used for on-site quick detection.

Description

Technical field [0001] The patent of the invention relates to the technical field of trace detection. The pesticide residue detection technology based on the enzyme inhibition method is an instrument that can be used for on-site detection of organophosphorus and carbamate pesticide residues in fruits and vegetables, especially a portable one. Background technique [0002] There are many pesticides on the market, of which organophosphorus and carbamate pesticides account for more than 80%, and are common high-toxic and high-residue pesticides. Most of the pesticide poisoning incidents that have occurred so far are caused by these two types of pesticides. caused by acute toxicity. Pesticide residues not only cause ecological pollution but also affect agricultural production and import and export trade, and cause chronic damage to people's health through the enrichment of biological chains. The issue of pollution-free vegetables and food safety is generally concerned by people...

Claims

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Application Information

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IPC IPC(8): G01N21/78
Inventor 陈文通
Owner 陈文通
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