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separate NaNO2 and NaNO3
Thanks,
the IPA method seems to be really interesting also IPN is a really useful chemical (protect ...
13-4-2007 at 06:30
by: Per
separate NaNO2 and NaNO3
I have a solution 1:1 of NaNO2 and NaNO3, now I´m thniking how to separate these two saltes.

Rec ...
12-4-2007 at 12:00
by: Per
Acetic anhydride preparation
Is it also possible to use acetone as solvent?
It´s cheaper and it´s boiling point is more conven ...
8-4-2007 at 03:46
by: Per
Acetic anhydride preparation
[quote]Also I don't know what rxn you would expect between NaOAc and chloroform?[/quote]
I thought ...
6-4-2007 at 07:26
by: Per
Acetic anhydride preparation
[quote]Mr per in what temp the leadnitate decompose to no2 and pbo?[/quote]
At 350°C it decomposes ...
5-4-2007 at 09:01
by: Per
Acetic anhydride preparation
I don´t know if theres Ac2O formwed or not.
I just can say that there´s envolved a solid after I ...
5-4-2007 at 08:07
by: Per
Acetic anhydride preparation
It took a long time but now I´m the proud owner of 401g dry lead nitrate.

In the morning I tried ...
5-4-2007 at 06:04
by: Per
Acetic anhydride preparation
Now I’ve tried the method with Pb(NO3)2.
Firstly drying the lead nitrate solution was really nast ...
2-4-2007 at 05:13
by: Per
Acetic anhydride preparation
I don´t understand why I need a O2 stream, because O2 is already produced in this reaktion.

Also ...
31-3-2007 at 07:31
by: Per
It is not book but programme.
Thanks a lot for the Römpp-Lexikon.

I think you´re going to learn german, may it´s helpful for ...
30-3-2007 at 12:38
by: Per
Acetic anhydride preparation
Firstly I wanted to use CaCl2, but when there´s NOCl envolved I´d use MgSO4 as drying reagence.
...
30-3-2007 at 04:18
by: Per
Acetic anhydride preparation
I think it´s much more convenient to work with solid N2O4 than with NO2 gas, also the yield should ...
29-3-2007 at 02:44
by: Per
Acetic anhydride preparation
[quote]I'd go lower than -10 for the coolant, and use a high surface area condenser rather than a si ...
28-3-2007 at 08:00
by: Per
Acetic anhydride preparation
[quote]2 NaOOCCH3 + 2 N2O4 -> (CH3CO)2O + 2 NaNO2 + N2O3[/quote]
Thanks Sauron, that seems to be ...
24-3-2007 at 09:54
by: Per
It is not book but programme.
[quote]I downloaded it on EDonkey in August 2006; you could search on Google for the EDonkey URL.[/q ...
23-3-2007 at 09:44
by: Per
It is not book but programme.
You have it, great, do you think that it´s still possible to download it on EDonkey?

Or if not I ...
21-3-2007 at 09:04
by: Per
Acetic anhydride preparation
Now other persons told me that it wouldn´t work with S2Cl2, but it should work with SOCl2, but the ...
21-3-2007 at 08:52
by: Per
Preparing Na2S2O8
Yes, when you speak about complex organic compounds a rational formula should be prefered but when y ...
19-3-2007 at 07:07
by: Per
Acetic anhydride preparation
The CHCl3 doesn´t react in my synthesis, it´s just a solvent for the sulfur because when the sulfu ...
19-3-2007 at 06:48
by: Per
Acetic anhydride preparation
Thanks for the zip file,
I would try the synthesis with sulfur and CHCl3 and talk about the result ...
18-3-2007 at 01:46
by: Per
Preparing Na2S2O8
Thank you very much, that´s the word I missed.
When I´ve the empirical formula I can think of a c ...
18-3-2007 at 01:14
by: Per
Sulfur
Pure sulfur, hmm, I´ve here some kg with a purification of min. 99,9%, you could have a kg for only ...
18-3-2007 at 01:03
by: Per
Acetic anhydride preparation
Then maybe it´s the best way for me to only produce S2Cl2 which seems to be very easy.

The diffi ...
18-3-2007 at 00:37
by: Per
Preparing Na2S2O8
Not a crystal structure, just a simple structure (in german "Summenformel") as C6H5Cl or NaCl...
18-3-2007 at 00:00
by: Per
Preparing Na2S2O8
Thank you,
I ment just a structure as Na2S2O8 or K2SO4 but I don´t know the word for this simple ...
17-3-2007 at 12:44
by: Per
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