Table 1.
Chemical composition (%) | ||||
---|---|---|---|---|
Base material | Reducing agent | |||
Inspection certificate | Bulk sampling | Bulk sampling * Carbon | Bulk sampling* Borax | |
Cooper | 77.0–81.0 | 79.950 | 0.189 | 0 |
Tin | 9.0–11.0 | 9.320 | 0 | 0 |
Lead | 9.0–11.0 | 10.310 | 0.203 | 0 |
Zinc | −1.0 | 0.020 | 0.029 | 0 |
Iron | −0.2 | 0.010 | 0.050 | 0 |
Nickel | −1.0 | 0.290 | 0.020 | 0 |
Antimony | −0.5 | 0.090 | 0 | 0 |
Phosphorus | −0.05 | 0.009 | 0 | 0 |
Aluminium | −0.005 | 0 | 0.007 | 0.036 |
Silicon | −0.005 | 0 | 0 | 0 |
*Bulk sampling refers to the collection of the base material in the workplace and the laboratory analysis of these substances.