A mass spectrometric study of the red naphthol PR170 as pigment and in acrylic emulsion paint Back to all publications Publication date 1 January 2005 Reference Beatrice Marino, J. van der Horst, T. Learner and J.J. Boon, A mass spectrometric study of the red naphthol PR170 as pigment and in acrylic emulsion paint, Dyes History Archaeol. 20, 187-197 (2005) Request this article