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Tailored Compound Specific Carbon Isotopes Analysis in Heritage Science.

Lionel Rumpf1,2, Edith Sandström3, Clémence Iacconi4

  • 1HEIA School of Engineering and Architecture of Fribourg, HES-SO University of Applied Sciences and Arts Western Switzerland, CH-1700 Fribourg. lionel.rumpf@hefr.ch.

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|November 29, 2025
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Summary
This summary is machine-generated.

This study introduces color-specific radiocarbon dating for cultural heritage. By analyzing individual molecules, particularly natural organic dyes and pigments, researchers can more accurately date artifacts and understand their history.

Keywords:
ColorantsCompound specific analysisHeritage scienceRadiocarbon datingStable isotope analysis

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Area of Science:

  • Archaeological Science
  • Heritage Science
  • Analytical Chemistry

Background:

  • Traditional radiocarbon dating uses bulk analysis, which is insufficient for complex cultural heritage objects.
  • Mixed carbon sources in heritage materials complicate traditional dating methods.
  • Natural organic dyes and pigments are key components of many heritage objects but are difficult to date accurately.

Purpose of the Study:

  • To overcome limitations of bulk radiocarbon dating for cultural heritage.
  • To develop compound-specific radiocarbon analysis (CSRA) and compound-specific isotopic analysis (CSIA) for individual molecules.
  • To enable color-specific carbon isotopic analyses for heritage science.

Main Methods:

  • Focusing on individual molecules instead of bulk materials.
  • Utilizing compound-specific radiocarbon analysis (CSRA).
  • Implementing compound-specific isotopic analysis (CSIA) with strict contamination control.

Main Results:

  • Development of methods for color-specific carbon isotopic analyses.
  • Improved ability to untangle mixed carbon sources in heritage materials.
  • Enhanced precision in dating organic dyes and pigments.

Conclusions:

  • Compound-specific approaches offer new possibilities for heritage science.
  • Color-specific isotopic analysis provides detailed insights into material history and chronology.
  • Controlling exogenous carbon contamination is crucial for accurate CSRA and CSIA in heritage applications.