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easy way to save your vacuum pump
Thats common practice but it commands that your vacuum setup is sealed almost to perfection, if you ... |
18-6-2014 at 12:30
by: Organikum |
Benzene synthesis
Oh that was a long long time ago....lol
Found an article which fits in snuggly here I thought an ... |
18-6-2014 at 10:54
by: Organikum |
Benzene synthesis
[rquote=329499&tid=325&author=blogfast25]
.....
I'm not keen on the many Utoob metal cans ... |
29-4-2014 at 12:09
by: Organikum |
[HIT !] IKA and Heidolph stirrer/hotplates + Pt-100 for GOOD PRICE [HIT !]
The Heidolph is sure worth to think about, the IKA I had and it was a real disappointment as it is a ... |
17-4-2014 at 15:03
by: Organikum |
Willgerodt rxn: Styrene monomer -> phenylacetamide
Thanks a lot Nicodem,as it is always the same, short after posting and bemourning my lack of success ... |
17-4-2014 at 14:29
by: Organikum |
here comes the sun
The attached article could help to lessen the confusion, oh had it been available already 2007!
I ... |
16-4-2014 at 19:11
by: Organikum |
Moderator Abuse
[rquote=326160&tid=29939&author=Rosco Bodine]Perhaps the quote came to him while his head wa ... |
6-4-2014 at 17:21
by: Organikum |
Suitable motor to run a large diy mag stirrer.
IKA and other professional brands use split pole motors, those are found for free in old microwaves ... |
7-3-2014 at 17:30
by: Organikum |
Pretty Pictures (2)
Strange looks but it did what it was supposed to do.
[file]30299[/file] |
7-3-2014 at 10:16
by: Organikum |
Lewis acids: SnCl4 and SbCl5
I did an FC on benzene (reactand and solvent) and mono-chloroacetone with SnCl4 and it worked well. ... |
6-3-2014 at 15:50
by: Organikum |
Potential Anhydrous AlCl3 Synthesis
AlCl3 by chlorine and a chlorinated solvent works very well lbeit it has to be resublimed for purity ... |
15-2-2014 at 22:48
by: Organikum |
Let's play where's that post
[rquote=319306&tid=28978&author=chemrox]Is there a wiki or sticky on the use of google searc ... |
15-2-2014 at 22:09
by: Organikum |
Let's play where's that post
Since a long time its known, and even was propagated by Poleverone, that searching SCM is best done ... |
15-2-2014 at 18:07
by: Organikum |
Problems with a resistive ballast arc furnace (resolved)
You need the ballast.
When the arc ignites the plasma has a resistance near zero. This will blow ev ... |
15-2-2014 at 17:58
by: Organikum |
Why do some heterogeneous catalysts need a support, and others not?
Pd and Pt can be used without support the same as with one needs only far more of the metal as it li ... |
13-2-2014 at 22:59
by: Organikum |
Amalgamation using Mercuric Iodide (HgI2)
Adding metallic mercury to some 50% nitric acid and not inhaling the fumes, then using this to amalg ... |
13-2-2014 at 22:48
by: Organikum |
Removal of gasses
Scrubbing acidic or caustic fumes/gases.
One of the things in chemistry surprising and annoying m ... |
5-2-2014 at 09:48
by: Organikum |
Manganese (II) Acetate oxidation to Manganese (III) Acetate
Surprisingly plain ammonium nitrate will do the job.
As does ozone.
Electrolytic regeneration of ... |
5-2-2014 at 09:23
by: Organikum |
troubleshooting microwave synthesis of melatonin.
[rquote=316271&tid=28630&author=Nicodem]
....
You cannot measure the reaction temperature ... |
26-1-2014 at 13:20
by: Organikum |
The Short Questions Thread (4)
[rquote=315924&tid=25055&author=alexleyenda]I know that black rubber stoppers do not resist ... |
22-1-2014 at 06:42
by: Organikum |
Calcium pyruvate to sodium pyruvate or pyruvic acid
[rquote=308700&tid=16163&author=zed]Somewhere, probably here, there is a procedure for produ ... |
21-1-2014 at 03:32
by: Organikum |
Find high temp thermometer
works for me but lets try this:
http://www.ebay.de/itm/Digital-Temperaturmessgerat-Thermometer-TM ... |
20-1-2014 at 13:28
by: Organikum |
Find high temp thermometer
[url=http://www.ebay.de/itm/200977726785?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649]this ... |
19-1-2014 at 04:51
by: Organikum |
at the risk of being flamed.. another Vacuum Pump question
A PTFE corrosion resistant diaphragm pump with at least 2 stages (better 3 or 4) is what you want no ... |
19-1-2014 at 04:39
by: Organikum |
New possible efficient and clean electrolytic hydrogenation/reduction of aromatic compounds
[rquote=315051&tid=28467&author=Electra]
......
This doesn't have to be complicated.
.... ... |
13-1-2014 at 06:29
by: Organikum |
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