In-situ chemical analysis using mass spectrometry on unmanned underwater vehicles

The authors have constructed and deployed a mass spectrometry system that is capable of autonomous underwater operation for chemical analysis. This in-situ system, consisting of a membrane introduction interface coupled with a linear quadrupole mass filter, consumes less than 100 Watts of power and...

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Bibliographic Details
Main Authors: Short, R.T., Fries, D.P., Kerr, M.L., Byrne, R.H.
Format: Conference Proceeding
Language:English
Subjects:
Biomembranes
Chemical analysis
Chemical technology
Filters
Gas detectors
Gases
Mass spectroscopy
Sampling methods
Underwater vehicles
Vacuum systems
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Description
Summary:The authors have constructed and deployed a mass spectrometry system that is capable of autonomous underwater operation for chemical analysis. This in-situ system, consisting of a membrane introduction interface coupled with a linear quadrupole mass filter, consumes less than 100 Watts of power and can detect and quantify dissolved gases and volatile organic compounds at part-per-billion (ppb) levels. Challenges of performing underwater mass spectrometry are discussed along with initial deployment results. An alternative version of an in-situ MS system, which is currently under development, is also described.
DOI:10.1109/OCEANS.2000.881321