A research group led by Prof. Chen Chilai from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences has developed a deep-sea mass spectrometer. It has completed several sea trials in a specific area in the deep sea.
The extreme environment of the deep sea forms unique biological processes and hides important mineral resources, the analysis of which is a frontier issue of international Earth science research. The deep sea in-situ detection technology allows the continuous acquisition of information on the components, concentrations and variations of deep-sea samples in temporal and spatial dimensions. Therefore, it is increasingly used in extreme deep sea environments.
In this study, the deep-sea mass spectrometer operated reliably for more than eight hours under a simulated water depth of -5,800 meters. It achieved long-term (25.8 hours) in-situ detection of dissolved gases in the cold seep region of the deep sea and online detection of dissolved gases from the surface of the sea to the seabed (-1,388 m to 0 m ).
It allows researchers to obtain important scientific data, such as the temporal variation curve of the concentration of small molecules dissolved gases and the vertical profile of the concentration distribution at depth which is the sea of the sea. The results were published in Chinese Journal of Analytical Chemistry.
This technology can not only be used in deep-sea exploration but also to obtain dissolved gas information in rivers, lakes and near-shore waters. Related research in this area is also ongoing.
“We are committed to research in key technologies and applications of mass spectrometry,” said Prof. Chen. “The development of this deep-sea mass spectrometer paves the way for the study of the origin and early evolution of life, as well as the study of global climate change.”
Han Wang et al, Development and application of an underwater mass spectrometer for in situ detection of deep-sea dissolved gases, Chinese Journal of Analytical Chemistry (2023). DOI: 10.1016/j.cjac.2023.100299
Awarded by the Chinese Academy of Sciences
Citation: Underwater mass spectrometer developed for deep sea exploration (2023, July 18) retrieved 18 July 2023 from https://phys.org/news/2023-07-underwater-mass-spectrometer-deep-sea.html
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