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A device for measuring heavy metal ions in water

A technology of heavy metal ions and connecting devices, which is applied in the direction of material electrochemical variables, material excitation analysis, etc., can solve the problems of difficult detection and low measurement accuracy, and achieve the effect of short detection period and improved measurement accuracy.

Inactive Publication Date: 2019-06-07
CHINA JILIANG UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, at present, when using LIBS technology to directly measure the aqueous solution, the water mist generated by the high-energy laser has serious absorption on the plasma spectrum, so when directly using LIBS to measure heavy metal ions in water, there are disadvantages such as difficult detection and low measurement accuracy.

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  • A device for measuring heavy metal ions in water
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Embodiment Construction

[0017] Below in conjunction with the structural principle and working principle of the present invention, describe in detail:

[0018] figure 1 Among them, a device for measuring heavy metal ions in water, a cabinet 1, a cabinet door 2, a controllable lifting platform 10, an electrodeposition cell 11, a plate clamping device 13, a detachable cathode plate 12 and an anode plate 14, a spectrum Detector 8, signal transmission optical fiber 9, central control box 15, focusing optical lens 6, lens fixing bracket 3, lens adjustment device 7, wire-16 connecting central control box 15 and anode plate 14, connecting central control box 15 and The wire two 17 of the cathode plate 12, the connecting device one 4 connecting the cabinet 1 and the central control box 15, the connecting device two 5 connecting the cabinet 1 and the spectrum detector 8, and a wire between the central control box 15 and the cathode plate 12 Two 17 connections, the central control box 15 and the anode plate 14...

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Abstract

The invention discloses a device for measuring heavy metal ions in water. The device comprises a machine box, a box door, a controllable lifting platform, an electro-deposition tank, a polar plate lamping device, a cathode plate, an anode plate, a spectrum detector, a signal transmitting optical fiber, a central control box, a focusing optical system, a lens fixing bracket, a lens regulating device, a wire I, a wire II, a connecting device I and a connecting device II. Firstly, the heavy metal ions in a measured water liquid are enriched on the cathode plate by an electro-deposition technology, and then the cathode plate is measured by adopting an LIBS technology. The device has the advantages of being rapid, high in measurement accuracy and free of complex treatment on a measured water sample.

Description

technical field [0001] The patent of the present invention relates to a device for measuring heavy metal ions in water. The present invention is a device for measuring heavy metal ions in water by combining laser-induced breakdown spectroscopy (LIBS for short) and electrodeposition technology, and especially relates to the field of photoelectric detection instruments A device for measuring heavy metal ions in water. Background technique [0002] At present, the measurement methods used to measure heavy metal ions in water include spectrophotometry, atomic emission spectrometry, atomic absorption spectrometry, and ion selective ionization. However, there are still certain defects in the above method. Spectrophotometry, the interference caused by overlapping spectral lines is serious during measurement, and it must be converted into light-absorbing substances by chemical methods during analysis, which is complicated to operate and easily produces secondary pollution. For ato...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/42G01N21/63
Inventor 董前民王骏马芳丽金尚忠陈华才
Owner CHINA JILIANG UNIV
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