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Bromine Source and Synthesis
A saturated solution of Br- will disolve about 4gms Br2/100ml before any is precipitated out. Also ...
8-3-2010 at 07:38
by: len1
Preparation of elemental phosphorus
Nice work! But I must agree with blfst25 that steel is a more convenient material in this reaction. ...
7-3-2010 at 04:24
by: len1
CCl4 and CHCl3 from CH2Cl2
[rquote=172458&tid=11852&author=len1]Interesting, when you do a search on Annalen (anyone ca ...
23-2-2010 at 18:36
by: len1
CCl4 and CHCl3 from CH2Cl2
Interesting, when you do a search on Annalen (anyone can do this even without access) for Hofmann, t ...
23-2-2010 at 05:14
by: len1
CCl4 and CHCl3 from CH2Cl2
Thanks fractional for the reference - that was interesting.

I wansnt of course stating that there ...
23-2-2010 at 04:51
by: len1
CCl4 and CHCl3 from CH2Cl2
It really doesnt matter that you say you wontpost - i have access to the entire annalen and its not ...
23-2-2010 at 03:42
by: len1
CCl4 and CHCl3 from CH2Cl2
[rquote=147785&tid=11852&author=Sauron]The pseudonymous "Hpffman" writing in Annalen in a pa ...
22-2-2010 at 21:54
by: len1
Hydrazine
At work we have a whole pile of chemicals that the bottle says need to be stored in that magical 2C- ...
18-2-2010 at 18:38
by: len1
Hydrazine
Now I can agree with some of what you say. The reaction is indeed an analogue of Hoffman rearrangem ...
16-2-2010 at 17:56
by: len1
Hydrazine
I have a uni practical chemistry instr which also requires MnSO4.5H2O added to urea/OCl-, and no ge ...
31-1-2010 at 22:47
by: len1
potassium disposal
Yes I was going to the trouble of excluding oxygen by purging my pipettes with argon, but not baking ...
26-1-2010 at 21:49
by: len1
Science project prompts SD school evacuation
My son recently showed me a boat he made out of an empty coke tin and some electronics. I now told ...
26-1-2010 at 13:53
by: len1
potassium disposal
[quote]

I have no idea where you get this outrageous claim

[/quote]

Experience.

And the ...
26-1-2010 at 13:35
by: len1
potassium disposal
Yes I rather thought your experience was more with sodium - but one should never think of the two me ...
25-1-2010 at 16:45
by: len1
potassium disposal
Of course, you can do anything, the question only is if the consequences you get are what you want. ...
24-1-2010 at 17:13
by: len1
potassium disposal
Sodium destroyed via isopropanol and cut under xylene/gasoline is generally OK.

I wonder however ...
24-1-2010 at 04:49
by: len1
Benzotrichloride, Benzoyl Chloride, and Phthalyl Chloride - Illustrated Practical Guide
Your benzoyl chloride is impure. Benzotrichloride fumes on humid days, benzoyl chloride does not fu ...
11-1-2010 at 00:00
by: len1
Hydrazine
[rquote=152417&tid=1128&author=benzylchloride1]I ran the hydrazine sulfate synthesis describ ...
9-1-2010 at 14:32
by: len1
Distillation Setup for 1,4-Butanediol to gamma-Butyrolactone
Crystalising copper sulphate, maybe. But havent seen references posted on that. With something jus ...
8-1-2010 at 12:36
by: len1
Distillation Setup for 1,4-Butanediol to gamma-Butyrolactone
[rquote=168919&tid=13208&author=entropy51][rquote=168892&tid=13208&author=len1]The s ...
8-1-2010 at 04:51
by: len1
Distillation Setup for 1,4-Butanediol to gamma-Butyrolactone
[quote]
If people are reading and not practicing there is no excuss IMO because money is no huge fa ...
4-1-2010 at 22:20
by: len1
Distillation Setup for 1,4-Butanediol to gamma-Butyrolactone
The sad truth is, if you made anything, be it drug related, be it bomb related, just anything, havin ...
4-1-2010 at 18:43
by: len1
The Irish company Steorn builds a pulse motor with no back EMF.
What do you mean by a toroid 'fired'? Current pulsed through its windings? In that case its only e ...
4-1-2010 at 02:42
by: len1
The Irish company Steorn builds a pulse motor with no back EMF.
The magnetic field outside a perfect toroid is zero! So if their torroids were such there would be ...
29-12-2009 at 17:07
by: len1
Large lot of lab reagents for sale...
Police corruption in NZ is much less evident than in Australia. We all remember the 'tough of prost ...
29-12-2009 at 15:01
by: len1
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