Nanopublication: RAGc2SwaCL

Full identifier: https://w3id.org/np/RAGc2SwaCL37MTvCe5ESY_qKuHV8tXduzqtd-48pNGi0A

Raw formats: TriG(html,txt), JSON-LD(txt), N-Quads(txt), XML(txt)

Checking for updates...

 Dataset: Sulfur K-edge Micro- and Full-field XANES Identifies Marker for Preparation Method of Ultramarine... Dataset comment approve/disapprove edit as derived nanopublication create new with same template

https://doi.esrf.fr/10.15151/ESRF-DC-186933507 ESRF-DC-186933507 http://purl.org/dc/terms/description has the description (this is a literal) "Ultramarine blue pigment from lapis lazuli is one of the most valued natural artist’s pigments used throughout history for its brilliant hue. Historical recipes describe various pigment preparation methods, however, little is understood about why such treatments were performed or how to distinguish them a posteriori on historical paintings. One such historically relevant treatment is heating of the lapis lazuli rock prior to extracting lazurite. X-ray absorption near-edge structure spectroscopy (XANES) at the sulfur K-edge in microbeam and full-field modes (analyzed with non-negative matrix factorization, NMF) is employed to monitor the changes in the sulfur species within lazurite following treatments. Sulfur signatures in lazurite show dependence on the heat-treatment of lapis lazuli rock from which it is derived. In particular, peaks at 2469.0 and 2471.2 eV, attributed to contributions from the trisulfur radical (S3•⁃), which is responsible for the blue color of lazurite, increase in relative intensity with heat of treatment ≥ 600 °C, paralleled by an intensified blue hue. The peak at 2472.5 eV (presumed as S8), on the other hand, decreases in relative intensity. The sulfur signature following heat-treatment is not only unique but also retained following accelerated aging of each pigment mixed as a paint with linseed oil. Further, XANES spectra using an attenuated focused microbeam were gathered on lazurite particles from five historical paint samples. In each, profiles matching that of pigment derived from heat-treated rock were identified, providing a marker for artists’ pigments that had been extracted from heat-treated lapis lazuli." .
This is the identifier for this whole nanopublication. https://w3id.org/np/RAGc2SwaCL... This nanopublication date and time when the nanopublication was created http://purl.org/dc/terms/created was created on (this is a literal) "2024-04-11T15:18:02.306Z" .
This is the identifier for this whole nanopublication. https://w3id.org/np/RAGc2SwaCL... This nanopublication links to the assertion template that was used to create this nanopublication https://w3id.org/np/o/ntemplate/wasCreatedFromTemplate was created from the assertion template http://purl.org/np/RAdvwtp0Lf... RAdvwtp0Lf .
This is the identifier for this whole nanopublication. https://w3id.org/np/RAGc2SwaCL... This nanopublication links to the provenance template that was used to create this nanopublication https://w3id.org/np/o/ntemplate/wasCreatedFromProvenanceTemplate was created from the provenance template http://purl.org/np/RANwQa4ICW... RANwQa4ICW .
This is the identifier for this whole nanopublication. https://w3id.org/np/RAGc2SwaCL... This nanopublication links to the publication info template that was used to create this nanopublication https://w3id.org/np/o/ntemplate/wasCreatedFromPubinfoTemplate was created from the publication info template http://purl.org/np/RAA2MfqdBC... RAA2MfqdBC .
This is the identifier for this whole nanopublication. https://w3id.org/np/RAGc2SwaCL... This nanopublication links to the publication info template that was used to create this nanopublication https://w3id.org/np/o/ntemplate/wasCreatedFromPubinfoTemplate was created from the publication info template http://purl.org/np/RAh1gm83Ji... RAh1gm83Ji .
This is a local identifier minted within the nanopublication. https://w3id.org/np/RAGc2SwaCL...#sig sig http://purl.org/nanopub/x/hasSignatureTarget has as target This is the identifier for this whole nanopublication. https://w3id.org/np/RAGc2SwaCL... this nanopublication .
This is a local identifier minted within the nanopublication. https://w3id.org/np/RAGc2SwaCL...#sig sig http://purl.org/nanopub/x/hasAlgorithm has the algorithm (this is a literal) "RSA" .

Alessa An Gambardella, 11 Apr 2024, 15:18:02 UTC

show references