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[求助]
又来啦 还是几句有机的东东英文求翻译
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The chemist adds 100 ml of water to the flask and swirls it around for a few minutes. If that does not dissolve it all, he adds another 100 ml of water. After the flask has cooled down, it is poured into a 1000 ml sep funnel, and 100 ml of toluene is added. The sep funnel is stoppered and shaken for 15 seconds. It is allowed to stand for a couple of minutes, then the lower water layer is drained in to a glass container. The brown toluene layer is poured into a clean, dry 500ml round bottom flask. The water layer is extracted once more with 100 ml toluene, then thrown away The toluene layer is poured into the500 ml flask along with the rest of the. [ Last edited by 飘落江南 on 2012-11-25 at 15:20 ] |
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phu_grassman
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220chengeng: 金币+2, good job! 2012-11-25 16:32:53
飘落江南: 金币+25, 翻译EPI+1 2012-11-25 16:44:04
220chengeng: 金币+2, good job! 2012-11-25 16:32:53
飘落江南: 金币+25, 翻译EPI+1 2012-11-25 16:44:04
| 烧瓶中加入100 mL水,搅拌几分钟。如果水没有完全溶解它(什么物质,前文应有提及),又加入100 mL水。待烧瓶冷却后,将其中液体倒入1000 mL分液漏斗中,并加入100 mL甲苯,塞上分液漏斗并摇振15 s。静置几分钟后,将下面的水层排到一个玻璃容器中,棕色的甲苯层倒入一个干净、洁净的500 mL的圆底烧瓶中。水层用100 mL甲苯萃取一次以上,然后倒掉,甲苯层则倒入500 mL圆底烧瓶中(和第一次的萃取液合并)。 |
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