Stahmer, Andreas; Kähler, Paul (2008): Concentrations of total organic carbon in waters of the Baltic Sea at Station VA148/2_F19 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.696307
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Coverage:
Latitude: 59.850000 * Longitude: 24.833333
Date/Time Start: 1994-09-02T00:00:00 * Date/Time End: 1994-09-02T00:00:00
Minimum DEPTH, water: 2 m * Maximum DEPTH, water: 65 m
Event(s):
VA148/2_F19 (F19) * Latitude: 59.850000 * Longitude: 24.833333 * Date/Time: 1994-09-02T00:00:00 * Campaign: VA148/2 * Basis: Valdivia (1961) * Method/Device: Multiple investigations (MULT) * Comment: Helsinki
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:
7 data points