qalaqand (vitriol)
Iran
Source: Raggetti, Lucia. (2021). The Treasure of Alexander – Stories of Discovery and Authorship. In: Bausi, A., Alessandro, M., Friedrich, M., Maniaci, M. (eds) The Emergence of Multiple-Text Manuscripts. De Gruyter.
Recipe Details
Ingredients
green Persian qalaqand, sublimated vinegar
Preparation Steps
1. Take green Persian qalaqand (vitriol/zāđ) without impurities. 2. Place in a ceramic pot and roast in an oven for one night. 3. Repeat roasting for a second night until it turns completely red. 4. Grind the red substance. 5. Pour three times its quantity of sublimated vinegar onto it. 6. Place in a long-necked bottle with a large opening for three days, shaking periodically. 7. Purify the liquid to obtain a red purple/ruby colored water (p. 296).
Original Recipe Text
1. Take green Persian qalaqand (vitriol/zāđ) without impurities. 2. Place in a ceramic pot and roast in an oven for one night. 3. Repeat roasting for a second night until it turns completely red. 4. Grind the red substance. 5. Pour three times its quantity of sublimated vinegar onto it. 6. Place in a long-necked bottle with a large opening for three days, shaking periodically. 7. Purify the liquid to obtain a red purple/ruby colored water (p. 296).
Evidence
"take some green Persian qalaqand that has no impurity; put it in a ceramic pot, roast it in an oven... grind it, and pour three times its quantity of sublimated vinegar onto it... purify its water that is as red as purple and ruby."
Remarks
The substance is described as vitriol (zāđ) and qulqaၣār on page 296. It was reportedly found in a lamp (qindħl) made of 'red ruby' in the ancient Egyptian ruins in Homs.
Scientific Analysis
Chemical CompositionFeSO4 or CuSO4
Analytical Techniques
textual analysis
Certainty Level
Inferred
Instrumentally Verified
Not Verified
Metadata
Material Type
pigment
Bindersublimated vinegar
ColorPurple
RegionIran
Source Information
AuthorRaggetti, Lucia.
CollectionPersia
Language
N/A
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