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Henkel, Susann; Kasten, Sabine; Hartmann, Jan; Silva Busso, A; Staubwasser, Michael (2018): Pore water geochemistry of sediment core Potter_Cove_STA03. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.890300, 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

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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
Coverage:
Latitude: -62.234410 * Longitude: -58.685460
Date/Time Start: 2012-01-26T00:00:00 * Date/Time End: 2012-01-26T00:00:00
Minimum DEPTH, sediment/rock: -0.01 m * Maximum DEPTH, sediment/rock: 0.24 m
Event(s):
Potter_Cove_STA03 * Latitude: -62.234410 * Longitude: -58.685460 * Date/Time: 2012-01-26T00:00:00 * Elevation: -43.0 m * Location: Potter Cove, King George Island, Antarctic Peninsula * Method/Device: Gravity corer, UWITEC (GCUWI) * Comment: Elevation error ±1.5 m (tidal range)
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):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1CoreCoreHenkel, Susann
2DEPTH, sediment/rockDepthmHenkel, SusannGeocode
3Sulfate[SO4]2-mmol/lHenkel, SusannIon chromatography (Metrohm IC Net 2.3)
4Iron 2+Fe2+µmol/lHenkel, SusannIron, colorimetric, Ferrozine (Stookey, 1970)
5Alkalinity, totalATmmol(eq)/lHenkel, SusannTitration with HCl
6Ammonium[NH4]+µmol/lHenkel, SusannConductometry
7CommentCommentHenkel, Susann
Size:
77 data points

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