| 查看: 237 | 回复: 2 | |||
| 当前主题已经存档。 | |||
今天来灌水铁杆木虫 (职业作家)
|
[交流]
求助翻译 (化学专业)
|
||
|
1.加入能覆盖催化剂量的无水乙醇,通入氢气25min, 2.移入分液漏斗中,水洗分层,取下层,反复多次.减压蒸馏得产物! 3.抽滤, 过滤 |
» 猜你喜欢
退学或坚持读
已经有13人回复
国家基金申请书模板内插入图片不可调整大小?
已经有8人回复
多组分精馏求助
已经有6人回复
免疫学博士有名额,速联系
已经有8人回复
国家级人才课题组招收2026年入学博士
已经有6人回复
交叉科学部支持青年基金,对三无青椒是个机会吗?
已经有7人回复
青椒八年已不青,大家都被折磨成啥样了?
已经有15人回复
★ ★ ★ ★ ★
今天来灌水(金币+5,VIP+0): 7-3 17:41
今天来灌水(金币+5,VIP+0): 7-3 17:41
|
1. Add anhydrous ethanol to the volume can cover catalyst, pump in hydrogen gas for 25mins 2. Move to the sparating funnel, wash the separated lower layer repeatedly. The product is obtained by Vacuum distillation! 3. Vacuum filtration, filtration. |
2楼2009-07-03 12:49:50
★ ★ ★ ★ ★
今天来灌水(金币+5,VIP+0): 7-3 17:41
今天来灌水(金币+5,VIP+0): 7-3 17:41
|
1, Anhydrous ethanol was added to cover the catalysts and hydrogen was pumped into it for 25mins 2, All of the reactants were transfered into the separatory funnel and washed with water to demix. The lower layer was always washed again and again.Finally, the product was obtained by vacuum distillation 3,The product needed to be handled by vacuum filtration |
3楼2009-07-03 15:52:57













回复此楼