| 查看: 527 | 回复: 3 | ||
| 当前只显示满足指定条件的回帖,点击这里查看本话题的所有回帖 | ||
[交流]
菜鸟求助已有1人参与
|
||
|
文献中写到:The product was perified by water twice and ehanol once,collected by vacuum filtration ,and dried under vacuum overnight for futher use.请问大神们,水和乙醇提纯用的是离心吗? 发自小木虫Android客户端 |
3楼2019-07-01 15:43:11

2楼2019-06-30 18:02:46

4楼2019-07-01 16:55:18













回复此楼
送红花一朵