CHSOS - Cultural Heritage Science Open Source

CHSOS - Cultural Heritage Science Open Source CHSOS promotes practical methods for the technical examination of Art and Archaeology.

18/06/2026

How much can extending reflectance spectroscopy into the deep UV improve pigment identification?

In CHSOS Application Note #1, we compare the standard Gorgias spectrometer with GorgiasUV on the Pigments Checker database. The results show how access to wavelengths down to 200 nm can reveal diagnostic UV features that are invisible with conventional systems, improving the identification of pigments such as lead white, cobalt yellow, viridian, ultramarine, carmine lake, and alizarin.

A practical case study for conservators, conservation scientists, and heritage professionals interested in non-invasive pigment analysis.

Read the application note:
https://chsopensource.org/about-scientific-examination-of-art/chsos-application-notes/chsos-application-note-1-testing-gorgiasuv-on-pigments-checker/

ConservationScience TechnicalArtHistory GorgiasUV CHSOS

18/06/2026

How much can extending reflectance spectroscopy into the deep UV improve pigment identification?

In CHSOS Application Note #1, we compare the standard Gorgias spectrometer with GorgiasUV on the Pigments Checker database. The results show how access to wavelengths down to 200 nm can reveal diagnostic UV features that are invisible with conventional systems, improving the identification of pigments such as lead white, cobalt yellow, viridian, ultramarine, carmine lake, and alizarin.

A practical case study for conservators, conservation scientists, and heritage professionals interested in non-invasive pigment analysis.

Read the application note:
https://chsopensource.org/about-scientific-examination-of-art/chsos-application-notes/chsos-application-note-1-testing-gorgiasuv-on-pigments-checker/

How much can extending reflectance spectroscopy into the deep UV improve pigment identification?In CHSOS Application Not...
18/06/2026

How much can extending reflectance spectroscopy into the deep UV improve pigment identification?

In CHSOS Application Note #1, we compare the standard Gorgias spectrometer with GorgiasUV on the Pigments Checker database. The results show how access to wavelengths down to 200 nm can reveal diagnostic UV features that are invisible with conventional systems, improving the identification of pigments such as lead white, cobalt yellow, viridian, ultramarine, carmine lake, and alizarin.

A practical case study for conservators, conservation scientists, and heritage professionals interested in non-invasive pigment analysis.

Read the application note:
https://chsopensource.org/about-scientific-examination-of-art/chsos-application-notes/chsos-application-note-1-testing-gorgiasuv-on-pigments-checker/

17/06/2026

How does a binder affect the FTIR spectrum of a pigment?
Application Note #2 explores the use of FTIR Diffuse Reflectance Spectroscopy for the non-invasive examination of pigments using the CHSOS Pigments Checker reference target. By comparing spectra acquired from the Pigments Checker with those obtained from powdered pigments, we can better understand how binders influence spectral features and improve material identification in works of art.
A practical resource for anyone interested in FTIR Spectroscopy for Art Examination, cultural heritage science, and non-invasive analysis.
Read the full application note:
https://chsopensource.org/about-scientific-examination-of-art/chsos-application-notes/chsos-application-note-2-ftir-diffuse-reflectance-pigments-checker-database/
CulturalHeritage PigmentAnalysis ConservationScience FTIRSpectroscopyForArtExamination

How does a binder affect the FTIR spectrum of a pigment?Application Note #2 explores the use of FTIR Diffuse Reflectanc...
17/06/2026

How does a binder affect the FTIR spectrum of a pigment?
Application Note #2 explores the use of FTIR Diffuse Reflectance Spectroscopy for the non-invasive examination of pigments using the CHSOS Pigments Checker reference target. By comparing spectra acquired from the Pigments Checker with those obtained from powdered pigments, we can better understand how binders influence spectral features and improve material identification in works of art.
A practical resource for anyone interested in FTIR Spectroscopy for Art Examination, cultural heritage science, and non-invasive analysis.
Read the full application note:
https://chsopensource.org/about-scientific-examination-of-art/chsos-application-notes/chsos-application-note-2-ftir-diffuse-reflectance-pigments-checker-database/
CulturalHeritage PigmentAnalysis ConservationScience FTIRSpectroscopyForArtExamination

17/06/2026

How does a binder affect the FTIR spectrum of a pigment?
Application Note #2 explores the use of FTIR Diffuse Reflectance Spectroscopy for the non-invasive examination of pigments using the CHSOS Pigments Checker reference target. By comparing spectra acquired from the Pigments Checker with those obtained from powdered pigments, we can better understand how binders influence spectral features and improve material identification in works of art.
A practical resource for anyone interested in FTIR Spectroscopy for Art Examination, cultural heritage science, and non-invasive analysis.
Read the full application note:
https://chsopensource.org/about-scientific-examination-of-art/chsos-application-notes/chsos-application-note-2-ftir-diffuse-reflectance-pigments-checker-database/

How does a binder affect the FTIR spectrum of a pigment?Application Note #2 explores the use of FTIR Diffuse Reflectanc...
17/06/2026

How does a binder affect the FTIR spectrum of a pigment?
Application Note #2 explores the use of FTIR Diffuse Reflectance Spectroscopy for the non-invasive examination of pigments using the CHSOS Pigments Checker reference target. By comparing spectra acquired from the Pigments Checker with those obtained from powdered pigments, we can better understand how binders influence spectral features and improve material identification in works of art.
A practical resource for anyone interested in FTIR Spectroscopy for Art Examination, cultural heritage science, and non-invasive analysis.
Read the full application note:
https://chsopensource.org/about-scientific-examination-of-art/chsos-application-notes/chsos-application-note-2-ftir-diffuse-reflectance-pigments-checker-database/

16/06/2026

Explore the science behind art examination with the CHSOS Application Notes series. From UV reflectance spectroscopy and FTIR diffuse reflectance to infrared imaging, technical photography, and spectral databases, these free resources provide practical workflows, real case studies, and insights into the tools used every day in conservation science. Whether you're a conservator, conservation scientist, researcher, or collector, you'll find methods that can help reveal the materials and history hidden within artworks.

Read the full collection here: https://chsopensource.org/about-scientific-examination-of-art/chsos-application-notes/

InfraredImaging FTIR PigmentAnalysis ConservationScience CHSOS

Explore the science behind art examination with the CHSOS Application Notes series. From UV reflectance spectroscopy and...
16/06/2026

Explore the science behind art examination with the CHSOS Application Notes series. From UV reflectance spectroscopy and FTIR diffuse reflectance to infrared imaging, technical photography, and spectral databases, these free resources provide practical workflows, real case studies, and insights into the tools used every day in conservation science. Whether you're a conservator, conservation scientist, researcher, or collector, you'll find methods that can help reveal the materials and history hidden within artworks.

Read the full collection here: https://chsopensource.org/about-scientific-examination-of-art/chsos-application-notes/

InfraredImaging FTIR PigmentAnalysis ConservationScience CHSOS

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