- A recipe for yellow lake pigment. The yellow pigment turmeric lake precipitates rapidly from the solution, making a very dramatic demonstration. Shaw's instructions produce an enormous quantity of pigment, but require some changes for that turmeric lake to be good enough. Source: Peter Shaw, Chemical Lectures . . . (London, 1734), page 178.
The yellow pigment turmeric lake precipitates rapidly from the solution, making a very dramatic demonstration. Shaw's instructions produce an enormous quantity of pigment, but require some changes for that turmeric lake to be good enough. Source: Peter Shaw, Chemical Lectures . . . (London, 1734), page 178.
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