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satellitemao銅蟲 (初入文壇)
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BiFeO3的合成 已有2人參與
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為什么我的鉍鐵氧體總是不能合成純相,總是有Bi2Fe4O9相,我是按照文獻(xiàn)里做的,求指導(dǎo)啊,拜托拜托 0.005 mol Bi(NO3)3and 0.005 mol Fe(NO3)3were dissolved in diluted HNO3 to form aqueous solutions. Then, the KOH solution was slowly added to the above solution to coprecipitate Fe3+ and Bi 3+ ions by constant stirring, and a brown precipitate was formed. The precipitate was filtered and washed with distilled water to remove NO31 and K1 ions. Then, the precipitate was mixed with 40 mL KOH solution (12M) under constant magnetic stirring for 5 min. The suspension solution was poured into a stainless steel Teflon-lined autoclave for the hydrothermal treatment. The autoclave was sealed, heated up to 200 C and held for 9 h, and then cooled to room temperature naturally. |

木蟲 (正式寫手)

銀蟲 (小有名氣)
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