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Oni, Oluwatobi Emmanuel; Schmidt, Frauke; Miyatake, Tetsuro; Kasten, Sabine; Witt, Matthias; Hinrichs, Kai-Uwe; Friedrich, Michael W (2016): Molecular composition of water-extractable organic matter in sediments of the Helgoland mud area, North Sea. PANGAEA,, In supplement to: Oni, OE et al. (2015): Microbial communities and organic matter composition in surface and subsurface sediments of the Helgoland mud area, North Sea. Frontiers in Microbiology, 6,

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Latitude: 54.082800 * Longitude: 7.967700
Date/Time Start: 2012-04-11T07:10:00 * Date/Time End: 2012-04-11T07:10:00
Minimum DEPTH, sediment/rock: 0.050 m * Maximum DEPTH, sediment/rock: 4.425 m
HE376/07-2 * Latitude: 54.082800 * Longitude: 7.967700 * Date/Time: 2012-04-11T07:10:00 * Elevation: -28.8 m * Location: North Sea * Campaign: HE376 * Basis: Heincke * Method/Device: Gravity corer (GC)
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DEPTH, sediment/rockDepthmSchmidt, FraukeGeocode
2Depth, top/minDepth topmSchmidt, Frauke
3Depth, bottom/maxDepth botmSchmidt, Frauke
4Sample code/labelSample labelSchmidt, Frauke
5Mass-to-charge ratiom/zSchmidt, Frauke
6Peak intensityPeak intSchmidt, Frauke
7Signal/noise ratioSNRSchmidt, Frauke
8Resolving powerResSchmidt, Frauke
9Intensity, relativerel IntSchmidt, FraukeCalculated
10Molecular massMuSchmidt, Fraukemeasured mass, corrected for ionization
11Molecular formulaFormulaSchmidt, Frauke
12Carbon, number of atomsC atoms#Schmidt, Frauke
13Hydrogen, number of atomsH atoms#Schmidt, Frauke
14Nitrogen, number of atomsN atoms#Schmidt, Frauke
15Oxygen, number of atomsO atoms#Schmidt, Frauke
16Phosphorus, number of atomsP atoms#Schmidt, Frauke
17Sulfur, number of atomsS atoms#Schmidt, Frauke
18Molecular massMuSchmidt, Fraukeexact mass for calculated molecular formula
19Mass accuracyMass accmg/kgSchmidt, Frauke[ppm], error between measured and calculated mass
20Double bond equivalentDBESchmidt, Frauke
21Kendrick mass effectKMDSchmidt, Frauke
22Molecular massMuSchmidt, Fraukenominal
23Aromaticity indexAISchmidt, Frauke
24Aromaticity indexAISchmidt, Fraukemodified
25DifferenceDiffSchmidt, Fraukedouble bond equivalents minus oxygen (DBE-O)
26Hydrogen/Carbon ratioH/CSchmidt, Frauke
27Oxygen/Carbon ratioO/CSchmidt, Frauke
978276 data points

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