Design of soil pesticide residue detection based on electrochemical sensing technology

ZHANG Zheming; WANG Xinbing; LI Tian; LIU Rui; ZHOU Zheng; LI Aichuan

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Design of soil pesticide residue detection based on electrochemical sensing technology

Design & Manufacture | 更新时间：2026-07-20

- Design of soil pesticide residue detection based on electrochemical sensing technology
- Vol. 45, Issue 7, Pages: 132-138(2026)
- 作者机构：
  
  1. 黑龙江八一农垦大学信息与电气工程学院,黑龙江,大庆,163000
  2. 汤原县农业技术推广中心,黑龙江,佳木斯,154700
  3. 黑龙江八一农垦大学工程学院,黑龙江,大庆,163000
- 作者简介：
- 基金信息：
- DOI：
  CLC： S—3;TP212
- Published：2026
- 稿件说明：
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ZHANG Zheming, WANG Xinbing, LI Tian, et al. Design of soil pesticide residue detection based on electrochemical sensing technology[J]. 2026, 45(7): 132-138.
DOI：

ZHANG Zheming, WANG Xinbing, LI Tian, et al. Design of soil pesticide residue detection based on electrochemical sensing technology[J]. 2026, 45(7): 132-138. DOI：

摘要

以农田中甲基对硫磷（MP）为模拟药物的农药残留量进行检测。采用石墨烯（Gr）作为电化学传感器修饰电极材料，利用透射电子显微镜（TEM）和X射线衍射（XRD）技术表征Gr及其衍生纳米材料。经过方波伏安(SWV)响应，表明Gr展现出优越的信号性能。经实验条件优化后，Gr修饰玻碳电极（Gr/GCE）在MP的检测领域中展现出其卓越的性能，当MP的检测范围为0~60μmol/L，响应峰电流与MP浓度的线性回归方程为：

(μA)=1.089

(μmol/L)+46.3768（

=0.9975），检测限为0.0988μmol/L（

=3），该传感器能在低浓度下精确测定MP残留含量，具有高重复性和重现性、检测范围广的优点，回收率稳定于104.9%~108.8%。

Abstract

Methyl parathion (MP) in farmland soil is used as the target pesticide residue for detection.Graphene(Gr) is used as the electrode modification material for electrochemical sensors

and transmission electron microscopy (TEM) and X-ray diffraction (XRD) techniques are used to characterize Gr and its derived nanomaterials.Square wave voltammetry (SWV) response indicates that Gr exhibits superior signal performance.After optimization of the experimental conditions

the Gr modified glassy carbon electrode(Gr/GCE) achieves excellent detection p

erformance for MP.The detection range of MP is 0~60μmol/L.The linear regression equation between response peak current and MP concentration is:

(μA)=1.089

(μmol/L)+46.3768（

=0.9975）

with a detection limit of 0.0988μmol/L(

=3).This sensor can accurately detect the residual content of MP at low concentrations.It has high repeatability

and reproducibility

as well as a wide detection range.The recovery rate is stably maintained at 104.9%~108.8%.

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