被硫化

These effects are antagonizeed by sodium sulfide.

这些效果被硫钠中和了。

While the reduction of the initial oxidized products on pyrite surface such as polysulphide and free sulphur can improve its hydrophilicity.

同时，黄铁矿表面初始物如单质硫和多硫物被还原，亲水增强。