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Towards the standardization of biochar analysis: the COST action TD1107 interlaboratory comparison

  • Biochar produced by pyrolysis of organic residues is increasingly used for soil amendment and many other applications. However, analytical methods for its physical and chemical characterization are yet far from being specifically adapted, optimized, and standardized. Therefore, COST Action TD1107 conducted an interlaboratory comparison in which 22 laboratories from 12 countries analyzed three different types of biochar for 38 physical–chemical parameters (macro- and microelements, heavy metals, polycyclic aromatic hydrocarbons, pH, electrical conductivity, and specific surface area) with their preferential methods. The data were evaluated in detail using professional interlaboratory testing software. Whereas intralaboratory repeatability was generally good or at least acceptable, interlaboratory reproducibility was mostly not (20% < mean reproducibility standard deviation < 460%). This paper contributes to better comparability of biochar data published already and providesBiochar produced by pyrolysis of organic residues is increasingly used for soil amendment and many other applications. However, analytical methods for its physical and chemical characterization are yet far from being specifically adapted, optimized, and standardized. Therefore, COST Action TD1107 conducted an interlaboratory comparison in which 22 laboratories from 12 countries analyzed three different types of biochar for 38 physical–chemical parameters (macro- and microelements, heavy metals, polycyclic aromatic hydrocarbons, pH, electrical conductivity, and specific surface area) with their preferential methods. The data were evaluated in detail using professional interlaboratory testing software. Whereas intralaboratory repeatability was generally good or at least acceptable, interlaboratory reproducibility was mostly not (20% < mean reproducibility standard deviation < 460%). This paper contributes to better comparability of biochar data published already and provides recommendations to improve and harmonize specific methods for biochar analysis in the future.zeige mehrzeige weniger

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Metadaten
Autoren/innen:H. J. Bachmann, T. D. Bucheli, A. Dieguez-Alonso, D. Fabbri, H. Knicker, H.-P. Schmidt, A. Ulbricht, Roland Becker, A. Buscaroli, D. Buerge, A. Cross, D. Dickinson, A. Enders, V.I. Esteves, M. W. H. Evangelou, G. Fellet, K. Friedrich, G. Gasco Guerrero, B. Glaser, U. M. Hanke, K. Hanley, I. Hilber, D. Kalderis, J. Leifeld, O. Masek, J. Mumme, M. Paneque Carmona, R. Calvelo Pereira, F. Rees, A. G. Rombola, J. M. de la Rosa, R. Sakrabani, S. Sohi, G. Soja, M. Valagussa, F. Verheijen, F. Zehetner
Dokumenttyp:Zeitschriftenartikel
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Journal of agricultural and food chemistry
Jahr der Erstveröffentlichung:2016
Organisationseinheit der BAM:1 Analytische Chemie; Referenzmaterialien
1 Analytische Chemie; Referenzmaterialien / 1.7 Organische Spuren- und Lebensmittelanalytik
Verlag:American Chemical Society
Verlagsort:Columbus, Ohio
Jahrgang/Band:64
Ausgabe/Heft:2
Erste Seite:513
Letzte Seite:527
DDC-Klassifikation:Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Sanitär- und Kommunaltechnik; Umwelttechnik
Freie Schlagwörter:Analysis; Biochar; Interlaboratory comparison; Ring test; Standardization
Themenfelder/Aktivitätsfelder der BAM:Umwelt
Umwelt / Umweltverhalten von Materialien und Produkten
DOI:https://doi.org/10.1021/acs.jafc.5b05055
URL:http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=RID&SrcApp=RID&DestLinkType=FullRecord&DestApp=ALL_WOS&KeyUT=000368562600017
ISSN:0021-8561
ISSN:1520-5118
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:20.02.2016
Referierte Publikation:Ja
Datum der Eintragung als referierte Publikation:26.01.2016