CHEMICAL COMPONENT % | |||
Sn | ≥ 99.95 | S | < 0.02 |
Fe | < 0.008 | Bi | < 0.005 |
Pb | < 0.002 | As | < 0.002 |
Cu | < 0.002 | Sb | < 0.005 |
Content of total impurities | < 0.05 | ||
Burned residue dealt with hydrochloric acid | < 0.025 |
CHEMICAL COMPONENT % | |||
Sn | ≥ 99.5 | Fe | < 0.06 |
Pb | < 0.05 | Cu | < 0.05 |
S | < 0.05 | Bi | <0.08 |
As | <0.01 | Sb | <0.01 |