Articles | Volume 5, issue 2
SOIL, 5, 383–398, 2019
https://doi.org/10.5194/soil-5-383-2019
SOIL, 5, 383–398, 2019
https://doi.org/10.5194/soil-5-383-2019

Original research article 19 Dec 2019

Original research article | 19 Dec 2019

Identifying and quantifying geogenic organic carbon in soils – the case of graphite

Jeroen H. T. Zethof et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Revision (16 Sep 2019) by Carolina Boix-Fayos
AR by Jeroen Zethof on behalf of the Authors (21 Oct 2019)  Author's response    Manuscript
ED: Publish as is (14 Nov 2019) by Carolina Boix-Fayos
ED: Publish as is (15 Nov 2019) by Jorge Mataix-Solera(Executive Editor)
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Short summary
A widely overlooked source of carbon (C) in the soil environment is organic C of geogenic origin, e.g. graphite. Appropriate methods are not available to quantify graphite and to differentiate it from other organic and inorganic C sources in soils. Therefore, we examined Fourier transform infrared spectroscopy, thermogravimetric analysis and the smart combustion method for their ability to identify and quantify graphitic C in soils. The smart combustion method showed the most promising results.