Heritage Science

Table 2 Bulk chemical composition of slags from Polichno

From: The use of predominance area diagrams (PAD) to determine the oxygen and sulfur fugacities prevailing during historical metallurgical processes: the case of fifteenth to seventeenth century copper slags from Polichno (Old Polish industrial district)

		POL1	POL2	POL3	POL4	POL5
P₂O₅	wt.%	2.95	2.14	2.13	2.90	2.66
SiO₂		36.64	38.02	49.69	34.88	37.77
TiO₂		0.26	0.18	0.23	0.20	0.21
Al₂O₃		4.32	2.82	3.80	3.42	3.64
FeO		17.71	12.62	17.61	15.90	17.64
MnO		0.63	0.63	0.41	0.43	0.72
CaO		25.49	12.57	19.20	29.95	27.50
MgO		0.52	1.01	0.64	0.44	0.56
BaO		0.69	24.48	0.77	0.90	1.61
Na₂O		0.23	0.05	0.23	0.23	0.19
K₂O		0.97	0.72	1.19	0.81	0.87
SO₃		0.06	0.90	0.35	0.03	0.19
TOT/C		0.30	0.02	0.02	0.09	0.15
TOT/S		0.02	0.48	0.15	< 0.02	0.10
LOI		− 0.9	− 2.0	− 2.2	− 1.4	− 0.8
Cu	ppm	27,746	415	11,054	22,853	16,918
Pb		7104	39,941	18,954	7773	11,496
Zn		20,427	22,225	6921	31,970	15,464
Ni		150	11	164	368	121
As		6248	220	814	9166	5963
Sb		1142	38	387	1391	719
Sr		282	3748	407	298	508

TOT/C—total carbon; TOT/S—total sulfur; LOI—Loss on ignition

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