Page 445 - Copper and Bronze in Art: Corrosion, Colorants, Getty Museum Conservation, By David Scott

TABLE 6 X-RAY DIFFRACTION DATA FOR SAMPLEITE

SAMPLE 1 SAMPL Ε 2 a SAMPL E 3 b SAMPL Ε 4 SAMPL Ε 5 SAMPL Ε 5
ICDD 11-; 549 Β M 1959, 405 ΜΕΜ84: MEM84: RAT86:1 709 RAT86:1 709
soft gree η soft gree η diffracto meter diffracto meter
corrosion 1 corrosion 2 continued

d-sp 1 d-sp I d-sp I d-sp I d-sp I d-sp I
9.60 100 9.69 100 9.83-9.31 v s 9.72 VS 9.68 100 1.930 8
6.85 70 6.81 30 6.81 M 6.81 W- M 6.844 6 1.902 8
4.73 4 0 4.74 <10 4.67 W- M 4.75 V W 4.844 1 1.872 2
4.30 80 4.30 10 4.32 S 4.29 M 4.721 2 1.797 4
3.89 70 3.88 <10 3.91 W- M 3.92 W 4.473 3 1.711 25
3.35 10 3.36 M 3.35 W 4.337 7 1.688 2
3.23 50 3.20 10 3.19 W 4.229 4 1.614 8
3.04 100 3.03 60 3.04 S 3.03 S 3.946 2 1.589 2
2.89 50 2.89 30 2.89 M 2.89 w 3.873 2 1.569 4
2.80 50 2.79 <10 2.79 w 3.227 5 1.516 7
2.69 50 2.66 25 2.68 M 2.66 W- M 3.036 30 1.504 4
2.57 50 2.57 25 2.59 M 2.57 W- M 2.970 3 1.463 3
2.40 50 2.41 30 2.43 M- S 2.41 W- M 2.900 10 1.446 4
2.16 10 2.17 M 2.16 W 2.820 5 1.370 7
1.91 50 1.90 <10 1.90 M 1.93 V W 2.670 6 1.321 5
1.79 70 1.79 <10 1.80 W 1.80 V W 2.612 8 1.305 2
1.71 80 1.71 4 0 1.71 S 1.71 M- S 2.576 6 1.287 1
1.61 50 1.61 20 1.61 M 1.61 W - M 2.429 8 1.236 6
1.51 20 1.51 M 1.51 W- M 2.411 11 1.211 6
1.45 70 1.45 W- M 2.351 8
1.44 70 1.44 10 1.44 W 2.291 3
1.37 70 1.37 10 1.37 M 1.37 W 2.170 7
1.23 <1 0 1.24 W- M 1.24 V W 2.114 4
1.21 50 1.21 <1 0 1.21 W- M 1.21 W 1.985 6

Key a Type sample from the British Museum (Natural History).
d-sp d-spacing b Samples 3-5 are from bronze objects recovered in Memphis, Egypt.
I intensity
vs very strong
s strong
M-s medium to strong
M medium
w-M weak to medium
w weak
vw very weak