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<p>This recommendation is an output of a small-scale round-robin test involving three different laboratories from TG2 of the RILEM TC 295-FBB: “Fingerprinting bituminous binders using physico-chemical analysis” concerning the use of <sup>1</sup>H-NMR for fingerprinting of bituminous binders. It demonstrates the full capabilities of <sup>1</sup>H-NMR as a robust characterisation tool for complex organic materials, like bituminous binders, to examine their molecular composition in a reproducible way and with the best possible detail. This recommendation documents the key factors in sample preparation and the sensitivity of data post-processing steps. It concludes with best practices and a case study examining the effect of laboratory ageing on two bituminous binders. Overall, it highlights the potential, to the broader scientific community, of another efficient chemometric tool for bituminous binders.</p>

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Recommendation of RILEM TC 295-FBB: Implementing a systematic approach to fingerprint bituminous binders using proton nuclear magnetic resonance spectroscopy (1H-NMR)

  • 期刊论文

  • 发表日期：

    2025年10月13日

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  • Stefan Werkovits,
  • Georgios Pipintakos,
  • Aditi Sharma,
  • Pejoohan Tavassoti,
  • Johannes Mirwald,
  • Aikaterini Varveri,
  • Bernhard Hofko

摘要

This recommendation is an output of a small-scale round-robin test involving three different laboratories from TG2 of the RILEM TC 295-FBB: “Fingerprinting bituminous binders using physico-chemical analysis” concerning the use of 1H-NMR for fingerprinting of bituminous binders. It demonstrates the full capabilities of 1H-NMR as a robust characterisation tool for complex organic materials, like bituminous binders, to examine their molecular composition in a reproducible way and with the best possible detail. This recommendation documents the key factors in sample preparation and the sensitivity of data post-processing steps. It concludes with best practices and a case study examining the effect of laboratory ageing on two bituminous binders. Overall, it highlights the potential, to the broader scientific community, of another efficient chemometric tool for bituminous binders.