This section is from the book "Paint And Varnish Facts And Formulae", by J. N. Hoff. Also available from Amazon: The Industrial And Artistic Technology Of Paint And Varnish.
Naples Yellow, Or Lead Antimoniate is also a pigment used by artists. It has a fair degree of permanency, but it injures and is injured by some organic pigments, including many of the lakes and, hence, is unsafe to use in combination with them.
 
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