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loser_zhu

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[求助] 请帮忙翻译加氢专业的英译汉

About 75.03 g of Al(NO)3.9H2O was dissolved in 100 mL of deionised water. A 2.5% ammonia was added drop wise until the pH > 3.8. About 350 mL of 2.5% ammonia was then directly added and then the precipitate formed was washed several times and then dispersed in 200 mL of deionised water. It was then peptized
with 1 M HNO3 at 80℃ under vigorous stirring conditions for 4 h to obtain stable boehmite sol of 1 mol/L [9].
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sltmac

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大约75.03 g的九水合硝酸铝溶于100毫升去离子水中。通过滴加质量分数为2.5%的氨水调剂pH>3.8.然后直接加入大约350mL 2.5%的氨水,形成的沉淀洗涤数次并分散在200mL去离子水中。然后用1M的硝酸在80℃下剧烈搅拌4h得到1 mol/L稳定的水铝石溶胶。

[ Last edited by sltmac on 2011-8-16 at 09:12 ]
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2楼2011-08-16 08:52:46
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彩虹木虫

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★
sltmac(金币+1): 谢谢交流~ 2011-08-16 09:11:03
loser_zhu(金币+27, 翻译EPI+1): 2011-08-16 10:16:26
将75.03 g Al(NO3).9H2O溶解于100 mL去离子水中,滴加2.5%(质量浓度) 氨水调节pH值至pH>3.8。然后加入350 mL 2.5%的氨水,形成沉淀物。将该沉淀物洗涤几次后重新分散在200 mL去离子水中(超声较好)。然后在80℃水浴、剧烈搅拌的条件下加入1 mol/L的硝酸溶液形成溶胶,继续搅拌4 小时形成稳定的水铝石溶胶(1 mol/L).
3楼2011-08-16 09:09:11
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