The test results of evaluation and application of sulfosalt EP additive are showed, at the same time its action mechanism is described aslo.
文中给出磺酸盐极压剂评定及应用试验结果，对该剂作用机理作了简介。
2
The main metallic mineral is specularite containing native gold and electrum. Surbordinate minerals are pyrite, chalcopyrite siderite and a very small amount of sulfosalt.