The artists’ materials of P. S. Krøyer: An analytical study of the artist’s paintings and tube colours by Raman, SEM–EDS and HPLC

Heritage Science

Table 1 Pigments and fillers identified by SEM–EDS and Raman in the ground layer and paint layers of the two paintings; a: Drachmann, and b: Christoffer

Pigment/filler	a	b	Sample number
Ground layer
Lead white	+	+	All samples
Calcite	+	+	All samples
Aluminium silicate	+	+	S1–S5, S8–S13
Paint layers
Lead white	(+)	+	(S2–S4), S5, S9–S13
Zinc white	+		S1–S8
Ochre		+	S9?, S12, S13
Cadmium yellow	+	+	S1–S5, S8, S9
Chromium orange	+		S2, S3, S5
Vermilion	+	+	S1–S6, S8–S11, S13
Minium	+		S2, S3, S5
Alizarin	+		S2, S3, S5
Cobalt blue	+	+	(S2), S3–S7, S10, S11, S13
Ultramarine		+	S10
Viridian	+	+	S5, S6, S8, S9
Carbon black	+	+	S3, S10, S13

() Designates that the pigment was identified in a very limited extent, and ? that the result is uncertain. The sample numbers refer to the locations shown in Figs. 1 and 2