Page 454 - Copper and Bronze in Art: Corrosion, Colorants, Getty Museum Conservation, By David Scott

TABLE 1 2 SOME X-RAY DIFFRACTION DATA FOR BASIC VERDIGRIS SALTS
(COMPOUND S A, B, AN D C) MADE BY DIFFERENT SYNTHESES

C O M P O l IND A COMPOL IND Β COMPO l JND C b COMP O UND C COMPOL JND C2

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

40 17.3 40 8.4 15 14.97 20 15.42 3 7.71
70 12.3 5 6.7 100 10.55 100 10.52 50 6.34
80 11.9 5 5.8 5 7.75 15 6.54 50 5.35
100 9.3 6 4.8 15 6.37 10 5.39 1 4.97
90 8.5 8 4.08 20 5.30 2 4.03 80 3.88
60 8.2 30 3.88 5 4.55 5 3.59 70 3.20
40 7.83 8 3.56 20 4.04 10 3.44 10 2.91
50 4.48 80 3.45 20 3.53 5 3.12 60 2.68
70 4.11 70 3.31 5 3.13 3 2.90 100 2.51
20 3.80 90 3.10 3 2.92 40 2.78 3 2.38
40 3.42 50 2.83 15 2.79 3 2.46 3 2.27
20 3.21 10 2.73 3 2.53 10 2.41 5 2.19
50 3.06 10 2.64 3 2.49 10 2.20 1 2.14
50 2.40 10 2.48 5 2.39 2 2.00 1 2.09
10 2.32 60 2.21 5 2.23 1 2.02
30 2.16 10 2.11 3 2.11 3 1.96
50 2.03 5 2.06 5 1.99 1 1.82
50 1.71 10 1.86 5 1.79 15 1.74
30 1.52 5 1.69 5 1.60
3 1.63 5 1.56
3 1.62 3 1.63
3 1.58 1 1.47
3 1.36 1 1.44
2 1.42 1 1.41
1 1.37
1 1.34

Compounds A and Β synthesized by van T'Hul-Ehrenreich and Hallebeek (1972).
a
Compounds C and C2 synthesized by Taniguchi and Scott (1998).
b
Compound C synthesized by Schweizer and Mühlethaler (1968).
c

X-RAY DIFFRACTIO N STUDIE S
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