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%