ثاني أكسيد المنغنيز - المعرفة - Marefa
5 天之前 Organic synthesis. Microbiology. See also. References. Cited sources. وصلات خارجية. ثاني أكسيد المنغنيز. Manganese dioxide is the inorganic compound with the formula MnO. This blackish or brown solid occurs naturally as the mineral pyrolusite, which is the main ore of manganese and a component of manganese nodules.