Physicochemical Characterization of Cherry Pits-Derived Biochar - Frišták, Vladimír (Trnava University in Trnava. Department of Chemistry) ; Bošanská, Diana (Trnava University in Trnava. Department of Chemistry) ; Pipíška, Martin (Trnava University in Trnava. Department of Chemistry) ; Ďuriška, Libor (Slovak University of Technology in Bratislava. Institute of Materials Science) ; Bell, Stephen Mackenzie (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Soja, Gerhard (University of Natural Resources and Life Sciences Vienna. Institute for Chemical and Energy Engineering)