Поташ (углекислый калий) из золы.
Получение углекислого калия из древесной золы.
2 months ago 00:00:00 1
6 months ago 00:26:16 1
6 months ago 00:22:05 1
7 months ago 00:01:04 1
8 months ago 00:04:13 1
8 months ago 01:23:45 1
9 months ago 01:57:08 1
9 months ago 00:10:54 1
9 months ago 01:01:34 1
10 months ago 00:05:00 2
10 months ago 00:10:19 1
10 months ago 00:00:20 1
11 months ago 00:00:30 1
11 months ago 00:16:25 3
11 months ago 00:00:58 108
11 months ago 00:07:37 1
12 months ago 00:10:31 1
12 months ago 00:12:11 1
12 months ago 00:03:28 1
1 year ago 00:15:48 1
1 year ago 00:05:54 1
1 year ago 00:54:59 3
1 year ago 00:45:16 1
1 year ago 00:04:46 1
