iron-gall ink (text)
Egypt
12th Century
Source: Cohen, Zina (2022). Implications of This Research, Conclusions and Outlook. In: Cohen, Z. Composition of the Primary Inks in the Cairo Genizah. Brill.
Recipe Details
Ingredients
vitriolic metals
Preparation Steps
General study found that iron-gall fingerprints varied across documents due to different vitriolic metal contents, indicating they were likely purchased commercial products rather than home-made by scribes (p. 167).
Original Recipe Text
General study found that iron-gall fingerprints varied across documents due to different vitriolic metal contents, indicating they were likely purchased commercial products rather than home-made by scribes (p. 167).
Evidence
"T-S 10Ka4.1 The Guide for the Perplexed CUL Reflectography + XRF Carbon ink (doodle) and iron-gall ink (text)"
Remarks
The difference between fresh carbon and iron-gall inks is noted to be non-apparent to the eye, as the discolouration of iron-gall is a result of deterioration over time (p. 166).
Scientific Analysis
Analytical Techniques
Reflectography
XRF
Certainty Level
Probable
Instrumentally Verified
Verified
Metadata
Material Type
ink
ColorBlack
RegionEgypt
Approx. Year1150
Source Information
AuthorCohen, Zina
CollectionT-S 10Ka4.1
Language
N/A
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