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夢幻1990新蟲 (初入文壇)
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[求助]
關(guān)于孫守恒教授Au納米顆粒制備的問題
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本人在做孫守恒教授Au-Fe3O4納米顆粒進(jìn)行8nmAu顆粒制備時(shí)遇到問題,Au納米顆粒無法通過離心機(jī)離出。 文獻(xiàn)如下:1.0 g HAuCl4(H2O)3 (2.5 mmol) was added to 100 ml tetralin, followed by 10 ml oleylamine (30 mmol) to form a red solution. The solution was then heated at 65°C for 5 hrs and then cooled to room temperature. Ethanol was added to the solution, and gold particles were separated by centrifugation, washed by ethanol, and then redispersed in hexane. 其中,酒精加入四氫萘的量為體積比2:1 離心轉(zhuǎn)速一萬轉(zhuǎn),20min。 量等比例的減少,0.35g HAuCl4(H2O)3,35mL四氫萘,3.5ml油胺。 |
木蟲 (小有名氣)
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