Applications of in-water mass spectrometry for detection of VOCs and dissolved gases

Presented at the
2nd Workshop on Harsh-Environment Mass Spectrometry
March 18-21, 2001, St. Petersburg, Florida, Center for Ocean Technology

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Author: R. T. Short
University of South Florida, College of Marine Science, Center for Ocean Technology
Table of Contents
  1. Title - Applications of in-water mass spectrometry
  2. In-situ MS at USF
  3. In-Situ Analysis Advantages
  4. Challenges to Underwater MS
  5. Modular Stepwise Approach
  6. AUV Constraints
  7. Membrane Introduction Simple Interface
  8. First Deployable MS: Quadrupole Mass Filter
  9. Lab Tests Yield Low Detection Limits for VOCs
  10. In-Situ Tests in Water Tank Demonstrate Performance
  11. Dedicated MS Payload for OEX
  12. First AUV Deployment Successful (but no peaks)
  13. Towed Nosecone Shows Variation in Bayboro Harbor
  14. Water Monitoring Application (wastewater treatment)
  15. Immersed System in Influent Tank
  16. Influent Monitoring-Real Time
  17. Exploration of Hydrothermal Vents with In-Situ MS
  18. In-Situ MIMS Data from Rusty Springs in the Gulf
  19. Next Version of UMS More Analytical Capability
  20. Ion Trap MS More Sensitive
  21. Design for Underwater Ion Trap MS System
  22. Underwater Ion Trap MS
  23. Moored Deployment at Coast Guard Dock in Bayboro Harbor
  24. Tidal/Dredge Monitoring
  25. Moored Deployment at St. Petersburg Marina
  26. St. Pete Marina Time Series Monitoring
  27. Ion Trap Deployment on AUV for Chemical Plume Detection
  28. Field Analytics with an AUV: Wide Area Chemical Plume Tracking
  29. ROVEX Analyst in the Loop Profiling
  30. ROVEX/Ion Trap MS for Chemical Plume Detection
  31. Chemical Plume (DMS) Detected by In-Situ MS
  32. Afternoon Search: Not as Successful
  33. Summary
  34. Acknowledgements
  35. Future Water-MS Miniaturization
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