The quality tests compared a sample of Viquesnel's new carmine color to a recipe published in several artist's manuals. The tests compared each as pure pigment and when treated with oxalic acid and different strengths of potash.

From The creation of color in eighteenth-century Europe by Sarah Lowengard

Creator(s)
Subjects
  • European: 1400-1800
Citable Link
  • Test of Viquesnel's carmine, 15 May 1765. The quality tests compared a sample of Viquesnel's new carmine color to a recipe published in several artist's manuals. The tests compared each as pure pigment and when treated with oxalic acid and different strengths of potash.