Stahmer, Andreas; Kähler, Paul (2008): Concentrations of total organic carbon in waters of the Baltic Sea at Station VA-360_2 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.696403
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Coverage:
Latitude: 54.633300 * Longitude: 10.450000
Date/Time Start: 1995-05-07T16:57:00 * Date/Time End: 1995-05-07T16:57:00
Minimum DEPTH, water: 5 m * Maximum DEPTH, water: 18 m
Event(s):
VA-360_2 * Latitude: 54.633300 * Longitude: 10.450000 * Date/Time: 1995-05-07T16:57:00 * Location: Baltic Sea * Method/Device: Bottle, Niskin 10-L (NIS_10L)
Comment:
Not filtered water samples were taken in 10 ml ampoules (sealed immediately after being acidified with phosphoric acid to pH<2, sampling), or 40 ml screw-lid vials, and measured onboard at sampling or next days, or frozen (-20°C) until being acidified and measured in home labs.
Carbon measurement was by high-temperature catalytic oxydation in a 10 cm column packed with 5% Pt on aluminum oxide beads at 900°C in a stream of oxygen, and CO2 detection by infrared extinction after the removal of moisture and SO2 by appropriate traps (cold trap, Mg-percarbonate, Na-pyrophosphate, tin, bronze or Sulfix). The apparatus was the dual channel Dimatek 2000 equipped with a Binos 200 detector.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DEPTH, water | Depth water | m | Geocode | ||
| 2 | Carbon, organic, total | TOC | µmol/l | Stahmer, Andreas |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
4 data points