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Black (pyrogenic) carbon in soils and waters: a fragile data basis extensively interpreted

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Black (pyrogenic) carbon in soils and waters: a fragile data basis extensively interpreted

In: Chemical and biological technologies in agriculture, 2019, Vol.6 (1), p.1-8
Autor: Gerke, Jörg
Ort, Verlag, Jahr: Cham, Springer International Publishing, 2019
ISBN/ISSN/ISMN: 2196-5641
Kollektion: CrossRef
Erscheinungsform: article

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Autor:Gerke, Jörg
Titel:Black (pyrogenic) carbon in soils and waters: a fragile data basis extensively interpreted
Ort:Cham
Verlag:Springer International Publishing
Jahr:2019
ISBN/ISSN/ISMN:2196-5641
Sprache:eng
Zusammenfassung:Black (pyrogenic) carbon (BC) has its origin in incomplete combustion of organic matter. It is considered to be a stable fraction of soil organic carbon (SOC) accounting for a great proportion of SOC in many soils. The aim of this article is to verify the reliability of the three most widely applied methods to determine BC in soils: the benzene polycarboxylic acid (BPCA) method, the UV/NMR method and the13CNMR method. All these methods strongly overestimate BC in soil and dissolved BC in waters. The main reason for the overestimation can be attributed to the fact that these three methods measure the polycyclic aromatic carbon (PAC) present in BC. However, PAC structures are also a component of humic substances so that a part of humic C is measured as BC. It can be concluded that the importance of BC in soil and waters is strongly overestimated and should be critically reevaluated.
Kollektion:CrossRef
Kollektion:ProQuest Central (Corporate)
Kollektion:Agricultural Science Collection
Kollektion:ProQuest SciTech Collection
Kollektion:ProQuest Natural Science Collection
Kollektion:ProQuest Central (Alumni) (purchase pre-March 2016)
Kollektion:ProQuest Central (Alumni Edition)
Kollektion:Agricultural & Environmental Science Collection
Kollektion:ProQuest Central Essentials
Kollektion:Biological Science Collection
Kollektion:ProQuest Central
Kollektion:Natural Science Collection
Kollektion:ProQuest Central Korea
Kollektion:ProQuest Central Student
Kollektion:SciTech Premium Collection
Kollektion:ProQuest Biological Science Collection
Kollektion:Agricultural Science Database
Kollektion:Biological Science Database
Kollektion:Publicly Available Content Database
Kollektion:ProQuest One Academic Eastern Edition
Kollektion:ProQuest One Academic
Kollektion:ProQuest One Academic UKI Edition
Kollektion:DOAJ Directory of Open Access Journals - Not for CDI Discovery
Kollektion:DOAJ Directory of Open Access Journals
In:Chemical and biological technologies in agriculture, 2019, Vol.6 (1), p.1-8
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