Page 470 - Copper and Bronze in Art: Corrosion, Colorants, Getty Museum Conservation, By David Scott

TABLE 27 X-RAY DIFFRACTION DATA FOR SAMPLES OF EMERALD GREEN
USED BY CLAUDE MONET AND FERNAND LÉGER COMPARED WITH
COPPER ACETATE-ARSENITE

CLAUDE FERNÁN D LÉGER'! COPPER ACETATE- COPPER ACETATE-
MONET'S EMERAL D GREEN 1 ARSENIT Ε ARSENI1 ΓΕ
EMERALC > (ICDD 31-¿ 148) (ICDD 31-' 148)
GREEN 3 LIGHT G REEN BRIGHT GREEN continued

d-spacing Intensity d-spacing Intensity d-spacing Intensity d-spacing Intensity d-spacing Intensity

7.5 10 4.68 1 7.65 1 9.71 100 2.31 7
6.7 10 4.53 50 6.73 3 6.76 25 2.26 14
4.83 3 4.33 1 4.70 1 4.86 9 2.25 65
4.67 3 3.96 10 4.54 40 4.70 11 2.18 17
4.54 75 3.88 10 4.42 1 4.66 13 2.15 5
4.28 10 3.57 5 4.33 3 4.53 100 2.12 10
3.95 30 3.48 15 4.25 1 3.93 95 2.11 16
3.47 30 3.44 30 3.96 25 3.71 5 2.07 12
3.37 25 3.30 75 3.89 25 3.48 80 2.00 16
3.29 25 3.08 100 3.58 25 3.38 55
3.06 100 2.83 15 3.48 20 3.28 70
2.76 10 2.75 1 3.43 40 3.18 8
2.68 50 2.71 25 3.31 50 3.09 45
2.55 10 2.67 25 3.27 30 3.07 60
2.47 5 2.55 1 3.09 100 3.06 80
2.41 25 2.47 1 2.97 1 2.98 10
2.24 5 2.41 1 2.83 10 2.73 55
2.18 3 2.32 1 2.76 1 2.71 80
2.11 3 2.21 40 2.72 30 2.69 19
2.06 3 2.09 40 2.68 30 2.68 100
1.89 5 2.04 1 2.62 10 2.67 20
1.69 10 1.85 5 2.56 3 2.63 9
1.62 10 2.48 8 2.62 40
1.56 10 2.41 5 2.58 20
1.53 5 2.32 1 2.55 35
1.45 10 2.27 1 2.49 25
2.23 1 2.48 25
2.20 1 2.46 9
2.12 40 2.43 5
2.09 40 2.41 60
2.05 5 2.38 12
1.85 10 2.36 6

After Fiedler and Bayard 1997.
1 Rocks at Belle Isle, collections of the Art Institute of Chicago.
Claude Monet (French, 1840-1926) ,
Fernand Léger (French, 188I-1955) , Follow the Arrow, collections of the Art Institute of Chicago.
1