亜鉛 ZnS

Ц2С
Ts2C
Ts2S
Zn2Pb

ГОСТ В51 ГОСТ 3640-79

Fe Cu As Zn Sn Pb Cd
ГОСТ 3640-79 ≤0.04 ≤0.01 ≤0.01 ≥98.6 ≤0.01 ≤1.3 ≤0.003