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Amsterdam Island
-CO-
| Observation |
| Category |
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Air sampling observation |
| Situation |
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ongoing |
| Time zone |
: |
UTC |
| Sampling |
| Sampling height |
: |
70 |
| Description |
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continuous |
| Sampling and analysis frequency |
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GC-RGD2 Continuous Measurements. Sequential measurement (1 measurement every 6 min, 1 standard every 6 min). |
| Sampling environment |
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Amsterdam Island
Sampling site = Pointe Bénédicte
The station is situated on a cliff, 70 m.a.s.l. No obstacles in surroundings. At distance of 2 km from base Martin-de-Viviès, the only pollution source on the Island. |
| Description for sampling analysis |
: |
Location of air intake : At top of tower. Height 15 m. Distance from station 20 m.
Description sampling line : Dekabon. Diameter: 10 mm. Length: 41 m.
Chemical trap: Magnesium perchlorate |
| Instrument and Analysis |
| Measurement method |
: |
Gas Chromatography (RGD) |
| Current status and history of instrument |
: |
Period in use = 1996-2000 & 2004-2009 |
| Description of instrument |
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Manufacturer of GC system: Trace Analytical
Model and S/N: RGA3, RGA3-101590-007
Detector type(s) and manufacturer: GC-HgO reduction/ UV absorption
Temperature: 268° C
Carrier gas: N2 GC50. Manufacturer: Getters
Sample loop volume: 1 mL
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| Calibration |
| Current scale employed in the measurement |
: |
Range between (35 and 65 ppb), check with average annual oscillation. |
| Measurement calibration |
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Sequence of analyses (A: ambient; W: working standard; L: laboratory standard) : A (2.5 minutes), W (2.5 minutes)
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| Scale and calibration(treasability) |
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Working standard in operation (S/N, since when?): 30.09.2007, S/N: 597701
Laboratory standard: Type of cylinder = Volume: 0.05 m3. Fabrication date: 10.12.2004. Manufacturer: NOAA. Calibration scale 104.8 ppb (primary CO)
Working standard: 8.3.3 Type of cylinder = Size: 20 L. Pressure: 150 bar. Fabrication date: 17.05.2006. Manufacturer: Messer, France. Calibration scale 102 ppb
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| Data Processing |
| Measurement unit |
: |
ppb |
| Data processing |
: |
DATA ACQUISITION AND PROCESSING
Manufacturer: Borwin, Type1.21
Which instrumental (system) parameters are recorded? Ambient temperature, pressure, sample in flow, peak area, peak height.
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| Processing for averaging |
: |
Processing for Hourly Data:
Hourly average
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| Data flag |
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| Data remarks |
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| Other Information |
| Scientific aim |
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| Reference |
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| submitted by Laboratoire des Sciences du Climat et de l'Environnement |
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