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ljrlwt銀蟲 (初入文壇)
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[求助]
采用共沉淀在金屬硫化物表面負載Fe3O4,為什么不行呢?
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采用共沉淀在金屬硫化物表面負載Fe3O4,為什么不行呢,負載的方法是: 10 mL of 0.02 mol/L 硫酸鐵and 10 mL of 0.02 mol/L 硫酸亞鐵were vigorously stirred in a beaker at room temperature. 5 mol/L KOH was then added dropwise into the solution. When pH of the solution was raised to 10, 0.5 g 金屬硫化物 were added into the system and continuously stirred for 5 min. After that, pH value of the solution was adjusted to 12 and stirred for another 20 min. The product was washed several times before being separated using a magnet. 是不是只有氧化物才能負載Fe3O4? |

木蟲 (正式寫手)

銀蟲 (初入文壇)

金蟲 (正式寫手)

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