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【求助】帮忙翻译几句分析类句子
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待测样品用1 mol/L三氟化硼/甲醇3ml加盖振 荡,在70~75℃水浴10 min(甲酯化),冷却后加0.5 ml正己烷萃取,取上层有机相进行气相色谱一质谱分 析。 [ Last edited by 知秋一叶~ on 2010-1-19 at 11:32 ] |
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| Stir the capped sample 3ml 1mol/L boron trifloride /methanol solution and then heat in a bath for 10 minutes (when methyl esterification takes place). Add 0.5ml n-hexane and extract after it cooled. The upper organic phase is analysed by gas chromatography-mass spectrometry. |

2楼2010-01-19 15:30:44
shirongjiu
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| add 3ml of boron trifloride/methanol (3mol/L) into capped tube containing samples to be determined and stir. Then incubate the tube in water bath at 70~75℃ for 10 minutes (during which methyl esterification takes place). Add 0.5ml n-hexane and extract after it cooled. Finally, the upper organic phase is subjected to gas chromatography-mass spectrometry analysis. |
3楼2010-01-20 08:19:00










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