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Forum file attachments problems
[quote]TEST.ZIP and TESTFORUM.ZIP[/quote]
Indeed, TEST file is really damaged. But with Power Ar ... |
14-1-2008 at 02:14
by: kmno4 |
the proper use of heating tape on a vigreux type column...
BTW:
Heating tape (cord or so...) does not set any temperature. "Temperature of column" changes ... |
9-1-2008 at 09:21
by: kmno4 |
Alternative Solvents and New Solvents - General Discussion
[quote][i]Originally posted by woelen[/i]
.........[/quote]
Exactly.
Whatever you would say - [b] ... |
8-1-2008 at 03:44
by: kmno4 |
the proper use of heating tape on a vigreux type column...
Using heating tape has the same purpose as isolation of column.
Do you really have/want to use thi ... |
3-1-2008 at 08:19
by: kmno4 |
Drying solvents with Al.
[quote][i]Originally posted by not_important[/i]
Al(OEt)3 - BP 320 C, 210 C @ 10 mmHg, 180 C @ 4 mm ... |
14-12-2007 at 08:35
by: kmno4 |
Drying solvents with Al.
So let us say that we both (and propably thousands others) have done this wrongly....
Let us wait u ... |
14-12-2007 at 08:30
by: kmno4 |
Drying solvents with Al.
Al alkoxides [b]are[/b] rather volatile.
It should be clearly described what amount of water we wan ... |
11-12-2007 at 03:50
by: kmno4 |
FREE Online Journals
I would like to pay your attention on freely available journal:
[b][color=Red]Journal of Biologic ... |
4-12-2007 at 04:10
by: kmno4 |
oxime reductions
BTW:
I have found an article with described procedure of reduction of some oxime to amine. But co ... |
4-12-2007 at 03:38
by: kmno4 |
Distilling HCN from potassium ferrocyanide...
BTW:
[b]HCN/KCN thread already exists[/b] and I think there is no need to create another ones.
h ... |
1-12-2007 at 18:38
by: kmno4 |
Please explain these numbers: AP Manual
[quote][i]Originally posted by Sauron[/i]
Sounds like you are well on the way to"deleting" yourself ... |
26-11-2007 at 01:17
by: kmno4 |
Preparation of cyanides
[quote][i]Originally posted by Antwain[/i]
(...)Filter off the zinc and crystalise the ZnSO4 + k4[F ... |
2-10-2007 at 02:26
by: kmno4 |
Preparation of cyanides
[quote]
Antwain,
- Took about 15-20g of K-Ferricyanide
(...)
[/quote]
Antwain took K4[Fe(CN)6] ... |
1-10-2007 at 10:23
by: kmno4 |
Preparation of cyanides
Where have I written that it is 'jelly' ? My observations and easiness of filtering out NaCN hydrate ... |
29-9-2007 at 04:27
by: kmno4 |
Preparation of cyanides
[quote][i]Originally posted by amchem2000[/i]
BTW, kmno4, does prussian blue (ferric Ferro cyanide) ... |
24-9-2007 at 15:28
by: kmno4 |
Preparation of cyanides
[quote]
Correction1 -
NH3(aq) + CHCl3 => HCN + 3HCl(aq)
OR
Correction2 -
NH4OH + CHCl3 => ... |
24-9-2007 at 03:53
by: kmno4 |
Preparation of cyanides
[quote]
NH3(aq) + CHCl3 => HCN + 3HCl
[/quote]
It is not good equation. |
23-9-2007 at 13:40
by: kmno4 |
FREE Online Journals
The site of [b]Katritzky Group[/b] is available again, so I decided to post it again 
http://ark ... |
15-9-2007 at 09:59
by: kmno4 |
Easy way of distinguishing Na2SeO4 and Na2SeO3?
Solubility in H2O?
Na2SeO3 89.8g/100g
Na2SeO4 58.5g/100g
(25 deg)
Use 1g H2O (for example) and a ... |
13-9-2007 at 14:00
by: kmno4 |
Preparation of ionic nitrites
I used to make about 500g pure NaNO2 by NaNO3/Pb reduction (about 10 runs, heh). It is "nice and e ... |
17-8-2007 at 11:05
by: kmno4 |
What have I created??
This "polymer" contains ...-PhCH2-PhCH2-... units. It is rather polycondensate not polymer. It canno ... |
4-8-2007 at 13:50
by: kmno4 |
What have I created??
Indeed, BzOH polymerise in H2SO4.
Besides, CH3COOH and H2O do not form azeotrope. |
4-8-2007 at 12:45
by: kmno4 |
Preparation of cyanides
Searching on RSC site gives 0 (zero) articles with word "polycyanogen", ACS gives 2 articles. Compar ... |
1-8-2007 at 16:33
by: kmno4 |
Preparation of cyanides
You should have looked for "paracyanogen".
A lot of articles, for example:
J. CHEM. SOC. FARADAY T ... |
1-8-2007 at 15:24
by: kmno4 |
Preparation of cyanides
NaCN can be made in the same way as KCN, from K4[Fe....] and H2SO4/H3PO4. Diffrence is that NaCN cry ... |
1-8-2007 at 02:26
by: kmno4 |
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