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A great procedure!
At the first look it sounds quite unbelievable, especially for those, who wasted their sodium metal ... |
9-10-2004 at 06:57
by: Mephisto |
Precipitated copper powder
In many organic synthesis 'British Drug Houses' precipitated copper powder is used as cata ... |
8-10-2004 at 02:01
by: Mephisto |
Picric Acid And Styphnic acid Problems
The nitric acid had to be added in such a rate to avoid a higher temperature of the mixture than 30 ... |
4-10-2004 at 01:11
by: Mephisto |
Strange
The mixture didn't evolves NO2-fumes even when heated on the heat source?
Your nitric acid ... |
3-10-2004 at 12:09
by: Mephisto |
Styphnic acid
I don't know what could be the failure in your styphnic acid synthesis. Maybe too high temperat ... |
3-10-2004 at 09:36
by: Mephisto |
Picric Acid And Styphnic acid Problems
The nitrating acid often destroys the desired product by reacting further with it after a too long t ... |
2-10-2004 at 23:25
by: Mephisto |
And here some empirical data
[color=gray][b][u]Methyl Nitrate[/u][/b]
colorless volatile liquid
[b]empirical formula:[/b] CH3NO ... |
2-10-2004 at 15:00
by: Mephisto |
iron sulfate heptahydrate
Noticed this?
[url]http://www.sciencemadness.org/talk/viewthread.php?tid=2617[/url]
If everybo ... |
30-9-2004 at 01:00
by: Mephisto |
preparation of CH3AlCl2
You started already two threads about very similar compounds. Learning chemistry means also to learn ... |
29-9-2004 at 17:15
by: Mephisto |
chemistry word problem
(1) Q [in joules] = mass of the water <b>·</b> heat capacity of water [g] (= ... |
29-9-2004 at 17:04
by: Mephisto |
No need to start this thread two times!!
(1) 3 FeSO<sub>4</sub> x aq <u> air-oxygen + heat </u>& ... |
29-9-2004 at 16:50
by: Mephisto |
Broken files on the FTP #2
Sarcosuchus: The file "Organic Synthesis Archive.pdf" is as you said 135 MB large. You upl ... |
25-9-2004 at 07:43
by: Mephisto |
Broken files on the FTP #2
No problem. If you want, I can upload the files for you. For this you can send them to my gmail-acco ... |
24-9-2004 at 12:58
by: Mephisto |
Broken files on the FTP #2
I can't open the file "Organic Synthesis Archive.pdf" in the upload-folder. I've ... |
24-9-2004 at 06:58
by: Mephisto |
ethylene glycol -> oxalic acid?
Straight from Ullmann's Encyclopedia of Industrial Chemistry, Sixth Edition, 2002:
[color=dark ... |
23-9-2004 at 14:57
by: Mephisto |
Iron - reduced
Via thermite reaction you'll get one piece of iron and not the desired powder. The electrolysis ... |
23-9-2004 at 07:56
by: Mephisto |
Iron - reduced
I think it's possible to use Fe(II)acetate/acetic acid as electrolyte, but I don't know fo ... |
23-9-2004 at 01:26
by: Mephisto |
Iron - reduced
The pyrophoric iron is a really nice experiment. The mix in the test-tube is Fe and FeO (according t ... |
22-9-2004 at 16:14
by: Mephisto |
Iron - reduced
This is interesting, but just another joke, as it is to difficult to synthesize the iron pentacarbon ... |
22-9-2004 at 15:29
by: Mephisto |
FTP Server #2
It's either in "upload/Mephisto" or in "Mephisto". I can't check check ... |
21-9-2004 at 03:53
by: Mephisto |
Use the torrent. There is no password necessary.
1. Install a good bit-torrent program - I recommend Azureus.
2. Download the .torrent-file from [ur ... |
18-9-2004 at 03:07
by: Mephisto |
New scans: 4 German ebooks ready
> Can I ask you , how long did each book take, to scan and process?
The Kosmos-ebook was a tes ... |
16-9-2004 at 09:30
by: Mephisto |
New scans: 4 German ebooks ready
I scanned four chemistry books and made PDF-ebooks of them. All books are 600 dpi high resolution sc ... |
16-9-2004 at 01:07
by: Mephisto |
how to prepare CH3PCl2 in a practical way?
It's a Chinese source indexed by CAS/CASREACT. There's no more about the source as "N ... |
15-9-2004 at 02:04
by: Mephisto |
how to prepare CH3PCl2 in a practical way?
Why you made this thread? You started a thread about this topic 1 ½ months ago.
If you are reall ... |
14-9-2004 at 05:49
by: Mephisto |
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