Evaluation of Brazilian Sugarcane Bagasse Characterization: An Interlaboratory Comparison Study

Justin Sluiter, Helena Chum, Absai Gomes, Renata Tavares, Vinicius Azevedo, Maria Pimenta, Sarita Rabelo, Karen Marabezi, Antonio Curvelo, Aparecido Alves, Wokimar Garcia, Walter Carvalho, Paula Esteves, Simone Mendonça, Patricia Oliveira, José Ribeiro, Dasciana Rodrigues, Marcos Vicentin, Celina L.Duarte, Manoel Mori

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56 Scopus Citations


This paper describes a study of the variability of measured composition for a single bulk sugarcane bagasse conducted across eight laboratories using similar analytical methods, with the purpose of determining the expected variation for compositional analysis performed by different laboratories. The results show good agreement of measured composition within a single laboratory, but greater variability when results are compared among laboratories. These interlaboratory variabilities do not seem to be associated with a specific method or technique or any single piece of instrumentation. The summary censored statistics provide mean values and pooled standard deviations as follows: Total extractives 6.7% (0.6%), whole ash 1.5% (0.2%), glucan 42.3% (1.2%), xylan 22.3% (0.5%), total lignin 21.3% (0.4%), and total mass closure 99.4% (2.9%).

Original languageAmerican English
Pages (from-to)579-585
Number of pages7
JournalJournal of AOAC International
Issue number3
StatePublished - 2016

NREL Publication Number

  • NREL/JA-5100-61914


  • biofuels
  • biomass
  • compositional analysis
  • hydrolysis
  • interlaboratory
  • lignocellulose
  • sugarcane bagasse


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