تصفير القصدير المقلوب (tasfir al-qasdir al-maqlub)
Egypt
16th Century
Source: Zahr al-Basatin fi 'Ilm al-Mashatin (Edited Treatise), p. 178-188.
Recipe Details
Ingredients
جهرة (Jahra), عرق برباريس ('Arq Barbaris), ورس (Wars), فوة (Fuwwah), قصدير (Tin)
Preparation Steps
To yellow tin (p. 181, section 213), take 10 dirhams of Jahra (a yellow plant), 8 dirhams of Berberis root (Berberis Vulgaris L.), 12 dirhams of Wars (Memecylon tinctorium), and 6 dirhams of Madder (Rubia tinctoria). These materials are boiled together. The tin is then placed into the mixture to receive the yellow color. The text warns not to touch the materials with the hand during the process.
Original Recipe Text
To yellow tin (p. 181, section 213), take 10 dirhams of Jahra (a yellow plant), 8 dirhams of Berberis root (Berberis Vulgaris L.), 12 dirhams of Wars (Memecylon tinctorium), and 6 dirhams of Madder (Rubia tinctoria). These materials are boiled together. The tin is then placed into the mixture to receive the yellow color. The text warns not to touch the materials with the hand during the process.
Evidence
"صفة تصفير القصدير المقلوب : تأخذ جهرة (١) ۱۰ دراهم ، عرق برباريس (٣) ۸ ، ورس (٤) ۱۲ ، فوة (٥) ٦ تغلي على الحوائج ولا تمسه بيدك ، وترمي فيه القصدير ، فافهم ذلك ."
Remarks
This recipe is intended to alter the appearance of tin, likely to imitate gold or create decorative effects (p. 181). Footnotes 1, 3, 4, and 5 identify the botanical sources for the dyes used in the recipe, confirming they are yellow and red colorants.
Scientific Analysis
Chemical CompositionBerberine, Alizarin, Flemingia pigments
Certainty Level
Inferred
Instrumentally Verified
Not Verified
Metadata
Material Type
pigment
ColorYellow
RegionEgypt
Approx. Year1550
Source Information
AuthorZahr al-Basatin fi 'Ilm al-Mashatin
CollectionUnknown
Language
N/A
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