Verdigris (Zangār)
Persia
15th Century
Source: Sadra Zekrgoo, Petronella Nel and Robyn Sloggett, 'Peacock Ink: Investigation into the Constituents of the Most Prized Ink of Persia', Restaur. 2017; aop
Recipe Details
Ingredients
copper, acetic acid, vinegar
Preparation Steps
Created when copper reacts with a source of acetic acid such as vinegar to form a patina, creating a beautiful green coloured pigment (p. 13).
Original Recipe Text
Created when copper reacts with a source of acetic acid such as vinegar to form a patina, creating a beautiful green coloured pigment (p. 13).
Evidence
"Verdigris (Zangār): Verdigris, is known as Zangār in Persian (Steingass 2008, 626) It is mostly referred to as copper acetate (CuCO3•Cu(OH)2), and is created when copper reacts with a source of acetic acid such as vinegar to form a patina."
Remarks
Used as a secondary colorant in Peacock ink. Known to degrade paper over time (p. 13).
Scientific Analysis
Chemical CompositionCuCO3•Cu(OH)2
Analytical Techniques
Historical treatise analysis
Certainty Level
Inferred
Instrumentally Verified
Not Verified
Metadata
Material Type
pigment
ColorGreen
RegionPersia
Approx. Year1450
Source Information
AuthorSadra Zekrgoo, Petronella Nel and Robyn Sloggett, 'Peacock Ink: Investigation into the Constituents of the Most Prized Ink of Persia', Restaur. 2017; aop
CollectionPersia
Language
N/A
AI Suggestions
Find similar recipes based on ingredients and preparation methods.