Peters, Table 2
Table 2: Results
of analysis by NAA of samples taken from a wire extruded from a
125-pound billet (mean + one standard deviation)
Wire Location |
Antimony (%) |
Copper (ppm) |
Arsenic (ppm) |
Top of billet |
1.008 + 0.036 |
147 + 4 |
54 + 12 |
Middle of billet |
0.976 + 0.039 |
141 + 7 |
56 + 14 |
Bottom of billet |
0.979 + 0.016 |
139 + 5 |
56 + 7 |
ppm = parts per million