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Space groups and equivalent positions
Ouch - the post of KemiRockarFett is so incoherent that it should be moved to detritus, if it is pos ... |
11-3-2009 at 22:21
by: turd |
crap yields of phenol-alkyl ether
I tried the Trachsel method with propyl bromide and it worked as described. I had to distill the res ... |
20-2-2009 at 09:54
by: turd |
The short questions thread (1)
Or from Pb(OAc)2 in the "lead acetate process". 
Quote http://en.wikipedia.org/wiki/Phenylaceto ... |
11-1-2009 at 07:56
by: turd |
The short questions thread (1)
[quote][i]Originally posted by sparkgap[/i]
No, for one thing lead tetraacetate cannot magically co ... |
11-1-2009 at 04:50
by: turd |
The short questions thread (1)
[quote][i]Originally posted by hector2000[/i]
what is name of this componet?this componet is possib ... |
8-1-2009 at 09:25
by: turd |
The short questions thread (1)
http://en.wikipedia.org/wiki/Caffeine#cite_note-0
The pKa values of -0.12->1.22 are for the *pro ... |
7-1-2009 at 11:56
by: turd |
crap yields of phenol-alkyl ether
Hi possums,
sorry if this has been posted before (I didn't find anything in the search).
D. Tr ... |
5-1-2009 at 11:17
by: turd |
https server security
[quote][i]Originally posted by 12AX7[/i]
Indeed, connecting to "https://sciencemadness.org" succeed ... |
29-8-2008 at 07:16
by: turd |
Propylene (oxide) synthesis
[quote][i]Originally posted by ScienceSquirrel[/i]
After that reaction with benzene and a catalyst ... |
2-8-2008 at 22:26
by: turd |
Solvant-free Decarboxylation of Amino-acid
The reference has probably been posted before, but it case it hasn't (I didn't find it):
Journal of ... |
12-6-2008 at 11:56
by: turd |
Dry HBr gas
I bring it up because it is relevant to the question at hand - only for this system I know that self ... |
10-12-2007 at 13:12
by: turd |
organic solvents for inorganic chemistry?
Water rules - cheap, ubiquitous, stable, liquid at RT, non-toxic. And there's still many books to be ... |
9-12-2007 at 10:40
by: turd |
Dry HBr gas
Oh, someone is trying to make PCP?
Self-made tosic acid works great (expect >50% in an amateur ... |
9-12-2007 at 10:21
by: turd |
Remarkable chemistry of S, Se and Te
Nice. One minor comment:
[quote]The white solid SO3ยท2TeO2 is immediately hydrolyzed by water. [/qu ... |
6-8-2007 at 11:08
by: turd |
Tracking EBAY sales
[quote]Could you imagine any non-drugs experimenting with saffrole?
[/quote]
In a heart-beat. Safr ... |
13-5-2007 at 12:22
by: turd |
Properties of dimethylamine-borane complex?
Stability of BH3<-L:
PF3 < CO < Et2O < Me2O < Me2S < C5H5N < NMe3 < H-
(cf ... |
7-5-2007 at 11:59
by: turd |
*cry* My P_red decomposed! *cry*
Thanks everybody. I could recover some of the P by washing with water. Lesson learned.
[quote][i] ... |
4-5-2007 at 08:38
by: turd |
Potential uses of Citric Acid
[quote]Potential uses of Citric Acid[/quote]
So far nobody mentioned the obvious: The Pechini met ... |
4-5-2007 at 08:34
by: turd |
*cry* My P_red decomposed! *cry*
Sounds plausible, but I wonder why the HI/P-reduction failed completely?
I've never done this bef ... |
29-4-2007 at 12:50
by: turd |
silicon oil/distilling
[quote]It's common to add a chaser for distillations that otherwise would go to near dryness.[/quote ... |
29-4-2007 at 12:42
by: turd |
*cry* My P_red decomposed! *cry*
A few years ago I stored some 100g of perfectly fine P_red in a metal can. Yesterday I dug it out ju ... |
29-4-2007 at 12:33
by: turd |
How Did You get Started in Chemistry?
[quote]phenyl acetone (phenyl-2-propanone) stinks like ferret piss[/quote]
IMHO phenylacetone has a ... |
5-1-2007 at 10:05
by: turd |
K(acac)
Heh, sorry, with dry I didn't mean free of any traces of water, just that I don't want hydrates.
... |
5-1-2007 at 03:02
by: turd |
Any of these chems OTC?
[quote]Oxalic Acid + Glycerol ---> Allyl alcohol ,but yields aren't that great... But I hope you ... |
5-1-2007 at 02:45
by: turd |
Hotplate/Stirrer
[quote]Anyone have any suggestions for some type of hotplate that I can use to heat an oil bath, tha ... |
5-1-2007 at 02:39
by: turd |
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