ビスマス Bi2

Ви2
Bi2
Vi2
Вi2

ГОСТ В51 ГОСТ 10928-90, ГОСТ 10928-2010

Fe Cu As Zn Sb Pb Bi Ag Te
ГОСТ 10928-2010 ≤0.001 ≤0.01 ≤0.0005 ≤0.005 ≤0.008 ≤2.6 ≥97 ≤0.3 ≤0.001