The leaching process is controlled by mixed steps:the surfacechemicalreaction and the diffusion passing through the silicon and iron mineral phases.
浸出过程属于混合控制,即表面化学反应与通过不溶硅、铁矿物相的扩散为过程的控制步骤。
2
After two decades, 95 percent of the elemental mercury on the surface of a filling had gone through a chemicalreaction. It became beta-mercury sulfide, a black-colored solid.