| 查看: 2153 | 回复: 4 | ||
wendyhuang金虫 (小有名气)
|
[求助]
采用盐酸二甲胺和双氰胺制备盐酸二甲双胍,杂质B和C是怎么产生的?
|
|
|
|
||
wendyhuang金虫 (小有名气) |
|
|
|
2楼2013-10-09 14:15:14
|
|
|
wendyhuang金虫 (小有名气)
|
||
|
3楼2013-10-09 14:21:27
|
|
|
wendyhuang金虫 (小有名气)
|
||
|
4楼2013-10-09 14:34:18
|
|
|
wendyhuang金虫 (小有名气) |
|
|
|
5楼2013-10-10 13:32:02
|
|












回复此楼