Underwater Mass Spectrometry: Developments and Calibration

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1.00E-07 1.00E-08 1.00E-09 1.00E-10 1.00E-11 1.00E-12 0 100 200 300 400 500 600 700 Scan # 2 . 2 e - 1 0 2 . 0 e - 1 0 1 . 8 e - 1 0 1 . 6 e - 1 0 1 . 4 e - 1 0 1 . 2 e - 1 0 1 . 0 e - 1 0 8 . 0 e - 1 1 6 . 0 e - 1 1 4 . 0 e - 1 1 2 . 0 e - 1 1 0 . 0 1 7 : 0 0 F r id a y 0 2 0 0 0 4 0 0 0 6 0 0 0 8 0 0 0 1 0 0 0 0 1 2 0 0 0 1 4 0 0 0 1 6 0 0 0 1 8 0 0 0 S c a n N u m b e r ( 7 s e c / s c a n ) 1 7 :0 0 S a tu rd a y Deployment Methods W a s t e W a t e r I n f lu e n t m / z 9 1 Intensity (Amps) AUV USV Moored Intensity ROV Depth Profiling Diver
Lake Maggiore Chemical Surveys O 2 Ar CO 2 • <strong>Mass</strong> spectrometer deployed aboard an unmanned surface vehicle • Mapping variation of dissolved gas ion intensities • Develop surface contour maps based on gas ion intensity data • Carbon dioxide & oxygen data displayed
Page 1 and 2: Underwater Membrane Mass Spectromet
Page 3 and 4: In Situ Underwater Membrane Introdu
Page 5 and 6: Membrane Introduction Mass Spectrom
Page 7 and 8: Principle Features of UMS Type Line
Page 9 and 10: Membrane Assembly
Page 11 and 12: Laboratory Calibration - Pressure a
Page 13 and 14: Calibration Results - Pressure
Page 15 and 16: Field Baseline Determination • Ba
Page 17: Pre-Deployment Calibration
Page 21 and 22: Hillsborough River, February 2007
Page 23 and 24: Hillsborough Deployment Method
Page 25 and 26: Oxygen 3 : 2 1 P M 4 : 1 9 P M 5 :
Page 27 and 28: Carbon Dioxide 204 mmole/kg 3:21 PM
Page 29 and 30: Depth Profiles in The Gulf of Mexic
Page 31 and 32: Depth Profile Data (Florida Shelf)
Page 33 and 34: Depth Profile Data (Miss. Coast) Ar
Page 35 and 36: Benthic Boundary Layer (Georgia Coa
Page 37 and 38: Benthic Boundary Layer (Georgia Coa
Page 39 and 40: Future Plans for Underwater MS •
Page 41 and 42: Ahoy there landlubbers -- it's time
Page 43: Argon Time Series 16 14 Conc. (mmol

Underwater Mass Spectrometry: Developments and Calibration

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