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ljrlwt

银虫 (初入文坛)

[求助] 采用共沉淀在金属硫化物表面负载Fe3O4,为什么不行呢?

采用共沉淀在金属硫化物表面负载Fe3O4,为什么不行呢,负载的方法是:
10 mL of 0.02 mol/L 硫酸铁and 10 mL of 0.02 mol/L 硫酸亚铁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 金属硫化物 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负载Fe3O4?
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richieczp

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【答案】应助回帖

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ljrlwt: 金币+5 2013-08-21 10:40:51
个人认为,明显应该现在溶液中加入硫化物后加KOH
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2楼2013-08-21 04:51:14
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