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Solvent Stills
Even under argon, dry solvents have a short shelf-life. Storing them should be avoided. Especially T ... |
4-7-2008 at 12:15
by: vulture |
how to find one compound in literature comprehensively?
I thought scifinder finds everything in the CAS database and as CAS covers pretty much everything pu ... |
4-7-2008 at 12:10
by: vulture |
Chlorine trifluoride & other hypervalent fluorohalogen compounds
Can we keep politics, foreign policy and other vaguely related stuff out of this please? |
4-7-2008 at 09:30
by: vulture |
Electronwithdrawing ester protecting group
Does anybody know of a protecting group for esters (or alcohols) which is electronwithdrawing and co ... |
4-7-2008 at 09:22
by: vulture |
PLX type explosives
Be careful with methylhalides, very toxic stuff. Make sure you have a method for destroying them (es ... |
2-7-2008 at 14:18
by: vulture |
Glass or teflon stop cock?
Don't use a burner, use a hair dryer. Much more gradual heat which won't crack your glass and it wor ... |
2-7-2008 at 13:43
by: vulture |
Solvent Stills
We have two continuous reflux stills for diethylether and THF over Na/K alloy. I have drawn a schema ... |
2-7-2008 at 12:47
by: vulture |
Flashpowder fuels?
[quote]
Also haven't you ever heard the phrase "spelling/punctuation police are virgins"[/quote]
... |
30-6-2008 at 09:34
by: vulture |
RED P question
Stop getting lucky, get informed!
Start learning chemistry BEFORE messing around. This saves you ... |
29-6-2008 at 06:29
by: vulture |
Deep Eutectic Solvents (OTC Ionic Liquid)
Diethylcarbonate is used in lithium batteries, so it should posses a very large electrochemical wind ... |
18-5-2008 at 10:16
by: vulture |
Vacuum From Peristaltic Pumps
Can we keep this on topic? |
18-5-2008 at 00:58
by: vulture |
Barium Metal
I would be wary of any method that produces small flakes and lots of friction = fire. |
18-5-2008 at 00:46
by: vulture |
Deep Eutectic Solvents (OTC Ionic Liquid)
I know someone who is doing research on ionic liquids for use in electrochemistry with rare earths. ... |
18-5-2008 at 00:42
by: vulture |
Extracting lead from car batteries
[quote]
One lead battery. In the ground. How many thousands of tons of lead do you think are shot ( ... |
17-5-2008 at 01:25
by: vulture |
Lithium Al Hydride quick question
[quote]
There's a reason for that: LAH + screw cap glass bottle= BOOM![/quote]
You have any refe ... |
16-5-2008 at 15:04
by: vulture |
Extracting lead from car batteries
[quote]
I have considered that. And I think it is a very good idea!! But the problem is that the co ... |
16-5-2008 at 15:02
by: vulture |
thiadiazine dioxides
[quote]
weird enough you have access to scifinder but not to the paper...[/quote]
That is very p ... |
11-5-2008 at 14:11
by: vulture |
thiadiazine dioxides
Did you check the literature? Done some research first? Also what is the red box supposed to indicat ... |
11-5-2008 at 11:20
by: vulture |
Cleaning DCM/Chloroform
[quote]
On the other hand, I never mentionned distilling over NaOH, nor that the two are generally ... |
11-5-2008 at 01:34
by: vulture |
Cleaning DCM/Chloroform
Conc. NaOH solution is not the same as 30%, be specific. Distilling chloroform over NaOH or leaving ... |
10-5-2008 at 05:19
by: vulture |
Runaway Pirhana
The most important thing is disposing of it properly. Once it's all contaminated, it's very unstable ... |
9-5-2008 at 17:43
by: vulture |
Vacuum grease substitute?
If it's pure silicon grease it could certainly serve well. Test if it contains compounds that'll dis ... |
8-5-2008 at 12:20
by: vulture |
Cleaning DCM/Chloroform
[quote]
I would sugest washing with a ice cold conc NaOH solution, then water and brine, drying an ... |
8-5-2008 at 12:19
by: vulture |
over the top response to CHEMAGODDON
[quote]
I appreciate Nicodems clarification and accept the action on that basis.[/quote]
What ma ... |
28-4-2008 at 13:12
by: vulture |
Very old Ethyl Ether
I've opened ether bottles from 1993 which were already opened and used recently. No explosions. Just ... |
25-4-2008 at 13:58
by: vulture |
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