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What is up with my Graham condenser?
OK, I could swear I've seen Graham condensers used in that orientation, but if I try that condenser ... |
26-8-2015 at 19:17
by: lysander |
What is up with my Graham condenser?
I was preparing HCN testing a new recipe today. Evidently a Graham condenser is overkill: I was run ... |
26-8-2015 at 17:44
by: lysander |
Preparation of cyanides
[rquote=415909&tid=23&author=Dan Vizine]Notice my earlier comment "Exact experimental detail ... |
16-8-2015 at 10:04
by: lysander |
Preparation of cyanides
[rquote=416076&tid=23&author=fluorescence]
The question is, can you smell cyanide ? I've te ... |
16-8-2015 at 08:00
by: lysander |
Preparation of cyanides
[rquote=415909&tid=23&author=Dan Vizine]The equations are more complicated than you might im ... |
15-8-2015 at 18:58
by: lysander |
Preparation of cyanides
[rquote=415893&tid=23&author=fluorescence]So I need quite a bit of cyanide for my research. ... |
14-8-2015 at 15:12
by: lysander |
Preparation of cyanides
[rquote=415580&tid=23&author=Dan Vizine]Add H2SO4 to a concentrated soln of potassium ferric ... |
13-8-2015 at 18:15
by: lysander |
Preparation of cyanides
[rquote=415652&tid=23&author=Dan Vizine]It was very facile as long as you kept the LN2 traps ... |
12-8-2015 at 05:31
by: lysander |
Vacuum dryers
Any recommendations on a "hobbyist"-grade vacuum dryer? |
11-8-2015 at 20:29
by: lysander |
Preparation of cyanides
Yeah, I've learned the hard way a lot of methods to [i]not[/i] use in drying cyan-salts:
[list=A]
... |
11-8-2015 at 20:23
by: lysander |
Preparation of cyanides
Interesting: There are plenty of ways to generate HCN. You get KCN by condensing it into a solution ... |
11-8-2015 at 17:50
by: lysander |
Preparation of cyanides
Dan: I assume you mean [url=http://www.sciencemadness.org/talk/viewthread.php?tid=6915]this thread[/ ... |
11-8-2015 at 11:43
by: lysander |
Stoichiometry
[rquote=415120&tid=23&author=Boffis]These equations are modifications of the ones given by W ... |
9-8-2015 at 22:21
by: lysander |
Preparation of cyanides
Well I ran it twice more today with anhydrous reagents. The second time I added a slight excess of ... |
8-8-2015 at 15:10
by: lysander |
Preparation of cyanides
Was using anhydrous K-ferrocyanide. Just realized I didn't dehydrate the Na-carbonate, so indeed it ... |
8-8-2015 at 07:30
by: lysander |
Preparation of cyanides
[rquote=410048&tid=23&author=ChemPlayer_]
This also seems to be a much faster and cleaner p ... |
7-8-2015 at 20:23
by: lysander |
Preparation of cyanides
It appears that using ethanol to precipitate solids is less than 50% efficient. Is there any reason ... |
19-7-2015 at 00:24
by: lysander |
Preparation of cyanides
Do you know what temperature range is adequate for melting and reacting the reagents?
Or is the r ... |
13-7-2015 at 07:25
by: lysander |
Preparation of cyanides
[rquote=410048&tid=23&author=ChemPlayer_]
Stating the obvious, make sure the ferrocyanide i ... |
12-7-2015 at 10:34
by: lysander |
