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A kind of portable trace heavy metal and ph joint rapid detector and method thereof

A technology for trace heavy metals and heavy metals, which is applied in the field of portable rapid detectors for combined trace heavy metals and pH, and can solve problems that have not yet been developed

Active Publication Date: 2020-03-17
ZHEJIANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The screen-printed electrode is modified on the surface by a modification liquid, and combined with a potentiostatic electrochemical analyzer, it can be used for the detection of a single heavy metal or a specific substance (such as glucose), but currently a screen-printed electrode can be used for An instrument for the combined rapid detection of trace heavy metals and pH has not yet been developed

Method used

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  • A kind of portable trace heavy metal and ph joint rapid detector and method thereof
  • A kind of portable trace heavy metal and ph joint rapid detector and method thereof
  • A kind of portable trace heavy metal and ph joint rapid detector and method thereof

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Embodiment Construction

[0039] The preferred implementation of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer definition of the protection scope of the present invention.

[0040] In this embodiment, a portable rapid detector for combined trace heavy metals and pH includes a detector body and screen-printed electrodes.

[0041] Among them, such as figure 1 As shown, the screen-printed electrode is based on a dual-channel screen-printed electrode, as shown in the attached figure 1As shown, the dual-channel screen electrode uses two independent working electrodes, a common reference electrode and a common counter electrode, and can independently perform two independent pH and heavy metal detections. In this embodiment, printed Ag / AgCl is used as the reference electrode, platinum wire electrode is used as...

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Abstract

The invention relates to a portable trace heavy metal and pH combined rapid detector and a method thereof, and belongs to the field of detecting equipment. The detector comprises a detector body and ascreen-printing electrode, wherein the screen-printing electrode is a dual-channel screen-printing electrode with two independent working electrodes; the two working electrodes share a reference electrode and a counter electrode so as to form a first three-electrode system for detecting pH and a second three-electrode system for detecting heavy metals; and the detector body comprises an electrochemical detection module, an electrode socket, a data processing module, a switching module and a display module. The detector is capable of realizing trace heavy metal and pH combined rapid detectionat one time through circuit switching. The detector is simple in structure, portable and effective, and has an application prospect in in-situ detection and analysis.

Description

technical field [0001] The invention relates to the technical field related to the detection of trace heavy metal ions, in particular to a portable rapid detector combined with trace heavy metal and pH. Background technique [0002] With the continuous development of modern social economy and industry, the mining of non-ferrous metals, the discharge of industrial "three wastes" and the unreasonable use of pesticides and fertilizers in agricultural production have led to the continuous entry of harmful heavy metal elements into the soil, water and other environments, directly or indirectly endanger the environment, ecology and human health. [0003] At present, the main detectors for heavy metal ions commonly used include atomic absorption spectrometry (AAS), atomic emission spectrometry (AES), inductively coupled plasma-mass spectrometry (ICP-MS), etc. These instruments have high sensitivity and good accuracy, but These technical instruments have very strict and complicated...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/26G01N27/30
CPCG01N27/26G01N27/302
Inventor 张楚璇梁新强卢圆圆何霜
Owner ZHEJIANG UNIV
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