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Blood lead analysis instrument and blood lead measuring method therewith

An analyzer and a technology for blood lead, which are applied to a potential dissolution type blood lead analyzer and the field of blood lead determination, can solve the problems affecting the accuracy of analysis results, have not yet been found, and are not conducive to the standardized production of blood lead analyzers, and achieve the potential Stable, easy to operate, the effect of reducing the relative deviation RSD value

Active Publication Date: 2015-08-12
SHANGHAI BORTON MEDICAL EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Known potential stripping type blood lead analyzer measures blood lead concentration, is to utilize three electrode system to measure potential stripping between working electrode and reference electrode within stripping time, obtains potential- stripping time curve, adopts direct measurement method to read peak A high value will cause the relative standard deviation RSD of the measurement results to be large, and the RSD value is usually greater than 10%, which seriously affects the accuracy of the analysis results
To reduce the deviation caused by the RSD value, it is necessary to improve the relevant parameters and methods, and relevant reports on such technologies have not been found so far
In addition, the three-electrode system of commonly used blood lead analyzers is independently designed, which is not conducive to the standardized production of blood lead analyzers.

Method used

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  • Blood lead analysis instrument and blood lead measuring method therewith
  • Blood lead analysis instrument and blood lead measuring method therewith
  • Blood lead analysis instrument and blood lead measuring method therewith

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Embodiment Construction

[0035] Such as figure 1 , shown in 2, 3, 4, 5, and 6, a blood lead analyzer includes a casing 1, and the casing 1 is provided with a lifting electrolytic cell structure 2, a three-electrode assembly 3, a circuit control component and a data processing component , the lifting electrolytic cell structure 2 includes an upper bracket 7, a lower frame column 8, a lower frame 9, a lower bracket gasket 10 and an electric push rod 11, and the upper bracket 7 is fixedly connected to the top of the cabinet 1, and the The lower frame column 8 is fixed on the bottom plate of the cabinet 1, the lower frame column 8 is provided with a lower frame gasket 10, the corresponding position of the lower frame gasket 10 is provided with a lower frame 9, and one end of the electric push rod 11 Connected to the upper support 7, the other end passes through the lower frame 9 and the lower frame gasket 10 to connect with the lifting plate 12, the lifting plate 12 is fixedly connected with the sliding c...

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Abstract

The invention discloses a blood lead analysis instrument and a blood lead measuring method therewith. The blood lead analysis instrument includes a case, in which a lifting electrolytic tank structure, a three-electrode assembly, a circuit control part and a data processing part are arranged. The circuit control part includes a flow-guide dissolving-out control part. When the flow-guide dissolving-out control part controls flow-guide dissolving out, a counter electrode is connected in parallel with a reference electrode to generate electric potential dissolving out between the electrodes. The data processing part for processing test data is used for evaluating the blood lead content on the basis of a cadmium internal standard substance. The blood lead analysis instrument is accurate in measurement and is convenient to use. By means of a combined three-electrode module design of a program-control movable electrolytic tank, standardization and large-scale production of the blood lead analysis instrument can be achieved easily.

Description

technical field [0001] The invention relates to a potential stripping type blood lead analyzer and a method for measuring blood lead. Background technique [0002] Lead is a toxic heavy metal that is widely used in industry. Especially in recent years, the rapid development of battery industry has greatly increased the probability of workers absorbing lead. During the production process, lead and its compounds mainly enter the human body through the respiratory tract in the form of dust, smoke or steam, causing dysfunction of almost all organ systems, especially the blood and nervous system, resulting in lead poisoning. [0003] Blood lead concentration is a sensitive indicator to reflect recent exposure. There are many methods for blood lead detection, such as atomic absorption spectrometry, isotope dilution mass spectrometry, atomic fluorescence spectrophotometry, atomic emission spectrometry and potential dissolution analysis. Due to the very low atomization rate of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/26
Inventor 李响球
Owner SHANGHAI BORTON MEDICAL EQUIP CO LTD
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