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共找到 3 筆符合的資料
of three elements: copper, iron, and sulfur and usually a small amount of silver, gold, manganese.....more
提煉硫。礦物硫化物及硫鹽白鐵礦Marcasite Sulfides and SulfosaltsMarcasite consists primarily of iron and sulfur.....more
硫酸的重要原料，有時也可從中提煉銅、銀、金和鎳。礦物硫化物及硫鹽黃鐵礦Pyrite Sulfides and SulfosaltsPyrite is mainly composed of iron.....more
