sandarac-based varnish
Netherlands
18th Century
Source: Hagendijk, T. (2019). Unpacking Recipes and Communicating Experience. Early Science and Medicine, 24, 248-282.
Recipe Details
Ingredients
sandarac, gums
Preparation Steps
Obtained from Nicolaas de Vree (p. 267). The crucial step identified through experience was to 'powder the gums before using them' (p. 267). Eikelenberg also noted in another context that 'grinding with vinegar' was very good for certain paint preparations (p. 273).
Original Recipe Text
Obtained from Nicolaas de Vree (p. 267). The crucial step identified through experience was to 'powder the gums before using them' (p. 267). Eikelenberg also noted in another context that 'grinding with vinegar' was very good for certain paint preparations (p. 273).
Evidence
"he obtained an elaborate recipe for a sandarac-based varnish from his former teacher Nicolaas de Vree. When he put it to the test, someone else told him to powder the gums before using them, which he initially forgot to do."
Remarks
Eikelenberg ultimately considered sandarac-based varnishes inferior to copal-based ones (p. 280).
Scientific Analysis
Analytical Techniques
grinding
visual observation
Certainty Level
Inferred
Instrumentally Verified
Not Verified
Metadata
Material Type
pigment
Bindergums
RegionNetherlands
Approx. Year1750
Source Information
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