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A system and method for measuring mercury content in water samples

A water sample and content technology, applied in the direction of testing water, material inspection products, etc., can solve the problem of inaccurate test results, and achieve the effects of accurate test results, removal of interference, and improved accuracy.

Active Publication Date: 2017-08-01
深圳市朗石科学仪器有限公司
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Problems solved by technology

[0007] Aiming at the problem of inaccurate detection results in existing systems for measuring mercury content in water samples, the invention provides a system for measuring mercury content in water samples, and the invention also provides a method for measuring mercury content in water samples

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  • A system and method for measuring mercury content in water samples
  • A system and method for measuring mercury content in water samples
  • A system and method for measuring mercury content in water samples

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Embodiment Construction

[0031] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and implementation examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0032] Please refer to figure 1 A system for measuring mercury content in water samples provided by the first embodiment of the present invention uses the characteristic of mercury vapor to selectively absorb ultraviolet light with a wavelength of 253.7 nm to detect mercury content. Specifically: after the ultraviolet light passes through the mercury vapor, the light intensity will be weakened, and the mercury content is calculated by calculating the light intensity difference before and after the ultraviolet light passes through the mercury vapor.

[0033] A system for measuring ...

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Abstract

The invention relates to the field of water quality monitoring in the industry of environmental protection, in particular to a system and method for measuring mercury content in a water sample. The system comprises a gas-liquid separator and a measuring device; a reducing agent and a water sample that is digested are provided, the reducing agent and the water sample that is digested are introduced into the gas-liquid separator and are subjected to eddy current mixing and reacting, and mercury vapor generated in the reacting process enters the measuring device for mercury content detection. The invention also provides the method for measuring mercury content in a water sample, comprising the steps of S1, mixing and reacting: introducing a reducing agent and a water sample that is digested into a reaction chamber, carrying out eddy current mixing and reacting, wherein mercury vapor is generated in the reacting process; S2, detecting: detecting the mercury vapor with the measuring device. The system and the method provided herein have the advantage of good accuracy of detection results.

Description

[0001] 【Technical field】 [0002] The invention relates to the field of water quality monitoring in the environmental protection industry, in particular to a system and method for measuring mercury content in water samples. [0003] 【Background technique】 [0004] Mercury is a silver-white liquid metal, which is fluid and evaporates at room temperature. Mercury widely exists in nature. Various natural phenomena can make mercury circulate continuously from the surface through the atmosphere, rain and snow, etc., and can be absorbed by animals and plants, enter the human body through the food chain, and cause poisoning. Mercury poisoning is mostly chronic poisoning, which mainly occurs in production activities and is caused by long-term inhalation of mercury vapor and mercury compound dust. [0005] Current systems for testing mercury in water samples suffer from inaccurate results. Therefore, how to solve the problem of inaccurate detection results needs to be solved urgently....

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/18
CPCG01N33/18
Inventor 陈赟陈尧魏哲肖祖德黄建猛
Owner 深圳市朗石科学仪器有限公司
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