Heavy metal ion concentration automatic detection method

A technology for automatic detection of heavy metal ions, which is applied in the field of automatic detection systems and automatic detection of heavy metal ion concentrations, can solve problems such as high cost, complicated operation, and detection methods that need to be further improved, and achieves the effect of simple method, easy implementation, and labor saving

Inactive Publication Date: 2015-03-25
SUZHOU OUBORI AUTOMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The invention has high cost and complicated operation,

Method used

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  • Heavy metal ion concentration automatic detection method
  • Heavy metal ion concentration automatic detection method
  • Heavy metal ion concentration automatic detection method

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Embodiment Construction

[0024] The technical scheme of the present invention is described in further detail below:

[0025] A method for automatic detection of heavy metal ion concentration, specifically comprising the following steps:

[0026] Step 1, using an electrochemical sensor to collect the voltage signal generated by the ion electrode;

[0027] Step 2, obtaining the membrane potential according to the voltage signal collected in step 1;

[0028] In step 3, the ion concentration can be obtained according to the actual value of the membrane potential, specifically:

[0029] E M = E 0 + RT Z i F log a i

[0030] Among them: E M is the membrane potential; R is the gas constant; E 0 is the initial potential, T is the absolute temperature; F is Faraday's co...

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Abstract

The invention discloses a heavy metal ion concentration automatic detection method. The method comprises the steps of gathering voltage signals produced by an ion electrode through an electrochemical sensor, obtaining membrane potential according to the gathered voltage signals, obtaining the ion concentration according to the practical value of the membrane potential. According to the method, the ion concentration can be obtained through computation processing according to the voltage signals gathered by an ion concentration detection unit, namely the corresponding relationship between the ion concentration and the membrane potential can be obtained according to a Nernst equation, further the ion concentration can be obtained by detecting the voltage signals, and the measurement, display and storage of the ion concentration can further be realized.

Description

technical field [0001] The invention relates to an automatic detection system, in particular to an automatic detection method for heavy metal ion concentration, belonging to the field of automatic detection. Background technique [0002] With the continuous acceleration of industrialization and the continuous growth of population, heavy metal pollution such as lead, copper and zinc has become a global problem. The mining, smelting, processing and commercial manufacturing activities of heavy metals are increasing day by day. Sudden water quality heavy metal pollution accidents caused by accidental leakage and illegal discharge occur from time to time. Heavy metals are highly toxic, difficult to be metabolized in the environment, easy to be enriched by organisms and have biomagnification effects, etc., which will not only pollute the water environment, but also seriously threaten the survival of humans and aquatic organisms. Effective and accurate detection of heavy metal conc...

Claims

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Application Information

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IPC IPC(8): G01N27/26
Inventor 谢敏富胡清华高娟
Owner SUZHOU OUBORI AUTOMATION TECH
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