Henkel, Susann; Kasten, Sabine; Hartmann, Jan; Silva Busso, A; Staubwasser, Michael (2018): Pore water geochemistry of sediment core Potter_Cove_STA01 [dataset]. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.890299, In supplement to: Henkel, S et al. (2018): Iron cycling and stable Fe isotope fractionation in Antarctic shelf sediments, King George Island. Geochimica et Cosmochimica Acta, https://doi.org/10.1016/j.gca.2018.06.042
Always quote citation above when using data! You can download the citation in several formats below.
Further details:
Lohan, Maeve C; Aguilar-Islas, Ana M; Franks, Robert P; Bruland, Kenneth W (2005): Determination of iron and copper in seawater at pH 1.7 with a new commercially available chelating resin, NTA Superflow. Analytica Chimica Acta, 530(1), 121-129, https://doi.org/10.1016/j.aca.2004.09.005
Schoenberg, Ronny; von Blanckenburg, Friedhelm (2005): An assessment of the accuracy of stable Fe isotope ratio measurements on samples with organic and inorganic matrices by high-resolution multicollector ICP-MS. International Journal of Mass Spectrometry, 242(2-3), 257-272, https://doi.org/10.1016/j.ijms.2004.11.025
Seeberg-Elverfeldt, Jens; Schlüter, Michael; Feseker, Tomas; Kölling, Martin (2005): Rhizon sampling of pore waters near the sediment/water interface of aquatic systems. Limnology and Oceanography: Methods, 3, 361-371, https://doi.org/10.4319/lom.2005.3.361
Stookey, Lawrence L (1970): Ferrozine - A new spectrophotometric reagent for iron. Analytical Chemistry, 42, 779-781, https://doi.org/10.1021/ac60289a016
Project(s):
Funding:
German Research Foundation (DFG), grant/award no. 5472008: Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas
Coverage:
Latitude: -62.226410 * Longitude: -58.640590
Date/Time Start: 2012-01-23T00:00:00 * Date/Time End: 2012-01-23T00:00:00
Minimum DEPTH, sediment/rock: 0.01 m * Maximum DEPTH, sediment/rock: 0.24 m
Event(s):
Comment:
Methods:
Sampling:
• Rhizon technique (Seeberg-Elverfeldt et al. 2005)
SO42-:
• Ion chromatography (Metrohm IC Net 2.3)
Fe2+:
• Ferrozine method (Stookey 1970)
NH4+:
• conductometrically
Alkalinity:
• Titration with HCl
δ56Fe(pw):
• Removal of salt matrix by column chromatography (NTA Superflow columns, Qiagen) (Lohan et al. 2005)
• Column separation using the Dowex 1X8 resin
• Isotope analysis on a ThermoFinnigan Neptune Multicollector-ICP-MS (ESI Apex-Q desolvator, standard-sample bracketing method with IRMM-014) (Schoenberg and von Blanckenburg 2005)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Core | Core | Henkel, Susann | |||
| 2 | DEPTH, sediment/rock | Depth sed | m | Henkel, Susann | Geocode | |
| 3 | Sulfate | [SO4]2- | mmol/l | Henkel, Susann | Ion chromatography (Metrohm IC Net 2.3) | |
| 4 | Iron 2+ | Fe2+ | µmol/l | Henkel, Susann | Iron, colorimetric, Ferrozine (Stookey, 1970) | |
| 5 | Alkalinity, total | AT | mmol(eq)/l | Henkel, Susann | Titration with HCl | |
| 6 | Ammonium | [NH4]+ | µmol/l | Henkel, Susann | Conductometry |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
72 data points