Heritage Science

Table 2 XRD peaks observed in the diffractograms of samples 2 and 3 and found in the RUFF database gypsum references R060509 and R040029

From: A multi-analytical study of historical coated plaster surfaces: the examination of a nineteenth-century V&A cast of a tombstone

XRD peaks, 2θ [°]
Sample 2	Sample 3	R060509	R040029
11.6304	11.67299	11.6688	11.6553
20.6882	20.74514	20.7682	20.7582
23.3816	23.37026	28.1588	28.1498
26.8718
29.121	29.10739	29.1507	29.1396
31.0975	31.12382
	32.09465
33.4643	33.34622
	34.53655		34.6194
	35.94149		35.9997
	36.65667	36.0027	36.65
	37.3434	37.4189	37.4124
40.5746	40.63457
43.4695	43.38031		42.2079
	44.16252		44.2309
45.8294	45.51888	45.5453	45.5268
	46.495		46.4606
47.8711	47.85724	47.8955	47.8848
	48.35782	48.4221	48.3983
	48.72981
	50.32856
	50.73068
	51.34237
	54.41229		54.4676
	55.14868	55.2183	55.191
	55.81309		55.8618
56.6775	56.7291
58.2058	58.19157		60.3599
	64.75298
	65.8196
67.0222	66.7291		66.7077
68.9538	68.66935
	70.65909
71.4685	71.22731
	74.11747
	76.56741
	77.39589
	79.61351

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