gold and silver
Qazvin
16th Century
Recipe Details
Ingredients
pure gold, silver
Preparation Steps
The Qazvin painter used a combination of gold and silver specifically for large-scale background areas. This combination is described as being of lower quality compared to pure gold due to the significant amount of silver included in the mix (p. 272). The physical application involved combining these metals to create a metallic golden appearance, which is distinct from the pure, shiny gold used for finer details (p. 272).
Original Recipe Text
The Qazvin painter used a combination of gold and silver specifically for large-scale background areas. This combination is described as being of lower quality compared to pure gold due to the significant amount of silver included in the mix (p. 272). The physical application involved combining these metals to create a metallic golden appearance, which is distinct from the pure, shiny gold used for finer details (p. 272).
Evidence
"In Qazvin paintings, pure gold and gold combined with silver are used (Fig. 5-182). Qazvin painter has used very little shiny gold and only for background details, but he/she has used a combination of gold and silver in larger dimensions and for background painting"
Remarks
The study notes that gold used by the Qazvin painter often contained a significant amount of silver. In larger dimensions used for background painting, this gold combination has frequently darkened over time (p. 272). This is specifically attributed to the corrosion of the silver component within the alloy (p. 272).
Scientific Analysis
Chemical CompositionAu + Ag
Analytical Techniques
FORS
XRF
FOMF
Certainty Level
Confirmed
Instrumentally Verified
Verified
Metadata
Material Type
pigment
ColorGold
RegionQazvin
Approx. Year1550
Source Information
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