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Related Experiment Video

Updated: Mar 23, 2026

Comprehensive Compositional Analysis of Plant Cell Walls Lignocellulosic biomass Part I: Lignin
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Compositional Analysis of Biomass Reference Materials: Results from an Interlaboratory Study.

David W Templeton1, Edward J Wolfrum1, James H Yen2

  • 1National Bioenergy Center, National Renewable Energy Laboratory, 15013 Denver West Parkway, MS 3512, Golden, CO 80401-3305, USA.

Bioenergy Research
|March 29, 2016
PubMed
Summary

Biomass reference materials were recharacterized using advanced methods to ensure accurate compositional analysis for biofuel production. The study confirmed the stability of these materials and improved measurement accuracy, supporting economic viability assessments.

Keywords:
Biomass reference materialCompositional analysisEastern cottonwood (Populus deltoides) NIST RM 8492Monterey pine (Pinus radiata) NIST RM 8493Sugarcane bagasse (Saccharum spp. hybrid) NIST RM 8491Wheat straw (Triticum aestivum var. Thunderbird) NIST RM 8494

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Area of Science:

  • Biomass characterization
  • Analytical chemistry
  • Bioenergy research

Background:

  • Accurate biomass composition is crucial for biofuel process economics.
  • Established biomass reference materials (RMs) needed revalidation due to expired characterization.
  • Previous characterization methods may not fully capture complex herbaceous feedstock compositions.

Purpose of the Study:

  • To recharacterize the composition of four biomass reference materials (NIST RMs 8491-8494).
  • To assess the stability of these RMs over time.
  • To evaluate the accuracy and completeness of current biomass compositional analysis methods.

Main Methods:

  • Samples of four biomass RMs were distributed to 11 laboratories.
  • Laboratories utilized an expanded suite of analytical methods suitable for herbaceous feedstocks.
  • Median values and expanded uncertainties were determined on a dry-mass, whole-biomass basis.

Main Results:

  • Improved total component closures were observed for three out of four RMs, nearing 100%.
  • Major component values showed no statistically significant differences from original characterization, indicating material stability.
  • Additional components were quantified in the recharacterization, suggesting more comprehensive analysis.

Conclusions:

  • The recharacterization confirms the stability of the biomass reference materials.
  • The expanded analytical methods provide more accurate and complete compositional data.
  • These validated RMs support reliable economic viability assessments for biomass-to-biofuel processes.