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请帮忙翻译加氢专业的英译汉
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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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2楼2011-08-16 08:52:46
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