Field monitor for variety of soluble gases in seawater

An on-site monitoring and soluble technology, which is applied in the direction of instruments, measuring devices, scientific instruments, etc., can solve the problems of large temperature influence, long reaction equilibrium time, and poor stability of spectroscopy, so as to improve accuracy, reduce manpower and material resources consumption, Detect fast effects
CN107328844APending Publication Date: 2017-11-07OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI
Publication Date
2017-11-07

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Abstract

The invention discloses a field monitor for variety of soluble gases in seawater, comprising a seawater introduction device, a water and gas separation membrane and a vacuum chamber, wherein the seawater introduction device is connected to the water and gas separation membrane, the water and gas separation membrane is connected to the vacuum chamber through a pipeline, and the pipeline is provided with an airtight valve; the vacuum chamber is internally provided with an ionization chamber, a mass analyzer and a detector, the vacuum chamber is externally connected with a turbomolecular pump and a mechanical pump; the monitor disclosed by the invention uses the mass spectrum principle to realize the qualitative and quantitative detection of variety of soluble gases in seawater, has the advantages of fast detection, strong stability, no secondary pollution and the like, and can be widely used in different monitor platforms, such as marine buoys, stations, monitoring ships and subsurface buoys, providing technical support for studying the biogeochemical process and mechanisms of the soluble gases in oceans, and realizing great significance in the aspects of marine resource exploration and marine ecosystem monitoring and assessment.
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Description

technical field

[0001] The invention relates to the field of marine chemical analysis, in particular to an on-site monitor for various soluble gases in seawater. Background technique

[0002] Soluble gases in seawater are important parameters for evaluating ocean circulation, marine resources, and marine organisms, and are of great significance in marine surveys, resource exploration, and mariculture. In the routine monitoring process of marine science, samples are usually collected and brought back to the laboratory for analysis and testing, but the influence of pressure or temperature during sample collection and transportation may cause changes in sample composition, making it difficult to ensure accurate measurement sex and effectiveness. Therefore, developing equipment for real-time monitoring of marine dissolved gases is one of the hot spots in marine chemistry research.

[0003] At present, real-time monitoring of soluble gases in seawater is usually a sensor for a ...

Claims

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