Typically, a zinc concentrate contains about 55% of zinc with some copper, lead and iron.
一般而言，锌精矿含有大约55%锌和一些铜、铅和铁。
A method is proposed to determine free native silver and free silver sulphide in lead-zinc concentrate.
拟定了分离测定铅锌精矿中游离硫化银和游离自然银的方法。
Experimental results showed that applying selective flotation process and optimum reagent condition can efficiently separate the lead-zinc minerals and obtain lead concentrate of 63.
试验结果表明：采用铅优先浮选工艺和合理的药剂条件，可以有效地实现铅锌分离，获得铅精矿品位63。
The pressure acid leaching process of bulk concentrate of zinc and lead is investigated.
研究锌铅混合精矿加压浸出过程。
The pressure acid leaching process of bulk concentrate of zinc and lead is investigated.
研究锌铅混合精矿加压浸出过程。
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