Arsenic
Scatterplot for Arsenic
33-22-543 Pendant
As, 6.1%; Sn, <0.022%;
Pb, 0.25%; Ni, <0.014%
(See also DF79 X13 in Burial Studies)
The arsenic in all the Hissar copper-based artifacts in this study most likely derives from the original copper ore, its variation (from near-trace levels to around 6.1%) simply reflecting differences in the conditions of smelting of the original copper ore.
Phase I:
Range: 0.033%–2.1% (n=22)
Mean: 0.80% ± 0.12% (1 standard error)
Highest As-level: Pin shaft (inv. 89-00-010)
(Illustrated as line art only, in Phase I)
Phase II:
Range: 0.030%–6.1% (n=31)
Mean: 1.73% ± 0.32% (1 standard error)
Highest As-level: Pendant (inv. 33-22-543)
Phase III:
Range: 0.026%–3.5% (n=43)
Mean: 1.12% ± 0.16% (1 standard error)
Highest As-level: Spearhead (inv. 33-21-908)
33-21-908 Spearhead
As, 3.5%; Sn, <0.015%;
Pb, 0.60%; Ni, <0.013%