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[求助]
又來啦 還是幾句有機的東東英文求翻譯
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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 飄落江南 on 2012-11-25 at 15:20 ] |

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| 燒瓶中加入100 mL水,攪拌幾分鐘。如果水沒有完全溶解它(什么物質(zhì),前文應(yīng)有提及),又加入100 mL水。待燒瓶冷卻后,將其中液體倒入1000 mL分液漏斗中,并加入100 mL甲苯,塞上分液漏斗并搖振15 s。靜置幾分鐘后,將下面的水層排到一個玻璃容器中,棕色的甲苯層倒入一個干凈、潔凈的500 mL的圓底燒瓶中。水層用100 mL甲苯萃取一次以上,然后倒掉,甲苯層則倒入500 mL圓底燒瓶中(和第一次的萃取液合并)。 |

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