orpiment (As2S3)
Yemen
20th Century
Source: A. Regourd & K. Scheper, Shifting sands of writing inks in Yemen, CmY 7 (Juillet 2018)
Recipe Details
Ingredients
As, S, Fe, K, Ca, Ti, Si
Preparation Steps
The ink is described as very glossy and translucent with a yellow color. Elemental analysis of Folio 59a and 63a identified As and S. Iron (Fe) is believed to originate from the ink itself, while K, Ca, Ti, and Si are attributed to particles present on the surface (p. 181).
Original Recipe Text
The ink is described as very glossy and translucent with a yellow color. Elemental analysis of Folio 59a and 63a identified As and S. Iron (Fe) is believed to originate from the ink itself, while K, Ca, Ti, and Si are attributed to particles present on the surface (p. 181).
Evidence
"As, (S) suggest the use of orpiment (As2S3)."
Remarks
The technical examination highlights a 'fine craquelure' in the ink layer. The ink is noted for its high gloss and translucency, which may be related to the binder used or the preparation of the orpiment pigment (p. 181).
Scientific Analysis
Chemical CompositionAs2S3
Analytical Techniques
XRF
Certainty Level
Probable
Instrumentally Verified
Not Verified
Metadata
Material Type
ink
ColorYellow
RegionYemen
Approx. Year1950
Source Information
AuthorA. Regourd & K. Scheper, Shifting sands of writing inks in Yemen, CmY 7
CollectionOr. 25.745
Language
N/A
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