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recrystallisation of pyridinium tribromide
No, I think I have the desired complex, as no red bromine fumes can be observed and smelled at all.
... |
12-7-2009 at 01:33
by: Jor |
Good way to Methylamine HCl?
Maybe the following method may be useful for people who have easy acces to phthalic anhydride.
ht ... |
11-7-2009 at 15:05
by: Jor |
Latest chemical order?
1L of p.a ethanol
1L of carbon tetrachloride (of wich I keep about 300mL myself)
50g of lead(II) a ... |
11-7-2009 at 08:54
by: Jor |
Tour My Lab
Nice! A tidy place, good storage. Seems fine.
One question: do you have any ventilation in there? ... |
11-7-2009 at 08:03
by: Jor |
recrystallisation of pyridinium tribromide
Today I attempted the synthesis of pyridium tribromide (containing the Br3(-) anion). I can't find a ... |
11-7-2009 at 06:30
by: Jor |
mercury
First of all, I fully agree with you Jdurg, that mercury and its compounds can be handled quite safe ... |
11-7-2009 at 02:15
by: Jor |
unknown compound, arsenic trioxide?
Thank you for the tips all!
It is not Fe2O3. This is compound is BRIGHT red, a little but like me ... |
1-7-2009 at 14:06
by: Jor |
unknown compound, arsenic trioxide?
My local supplier had an old bottle containing a bag with a red powder, labelled as arsenic trioxide ... |
1-7-2009 at 09:34
by: Jor |
titanium chemistry
Not important thank you for the diagram. I completely forgot to make one myself (I have that softwar ... |
24-6-2009 at 14:36
by: Jor |
titanium chemistry
Yesterday I decided to do some chemistry with titanium.
I took a spatula of 99,9% titanium powder ... |
23-6-2009 at 15:14
by: Jor |
The short questions thread (2)
IIRC sulfuric acid of such concentration would decompose the formic acid to carbon monoxide. |
23-6-2009 at 14:45
by: Jor |
Periodate accessible for home chemists!
I also tried exactly the same when doing iodine synthesis (I have planty of it, but i was for the fu ... |
22-6-2009 at 14:02
by: Jor |
Iodomethane prep.
I am surprised the P4O10 will not dissolve in MeOH.
I will try this too soon, I have about 150g o ... |
21-6-2009 at 11:52
by: Jor |
Iodomethane prep.
Yes, but I always thought that alkylating agents are a class of compounds with a high carcinogenic p ... |
21-6-2009 at 10:44
by: Jor |
Iodomethane prep.
People always told me that MeI is a horrible carcinogen. This keeps me from trying to make some. Are ... |
21-6-2009 at 10:08
by: Jor |
anhydrous CrCl3
Nice! I made a topic before that old extinguishers might be a good source for peope trying to find C ... |
18-6-2009 at 13:41
by: Jor |
Storage of Fuming Nitric acid
You can use fuming nitric acid to make iodic acid, by refluxing it over iodine. However, for every m ... |
15-6-2009 at 08:55
by: Jor |
Storage of Fuming Nitric acid
[rquote=155046&tid=12358&author=Ozonelabs]Saber- I will inspect the bottle the next time I'm ... |
14-6-2009 at 14:49
by: Jor |
Storage of Fuming Nitric acid
Saber, are you seriously considering having HF in your home lab?
This stuff is very dangerous! I wi ... |
14-6-2009 at 14:06
by: Jor |
Storage of Fuming Nitric acid
I have heard WFNA decomposes much more easiliy, and is a greater storage hazard.
You have 2 choic ... |
12-6-2009 at 13:42
by: Jor |
Best and worst smelling chemicals?
When are these sulfurated ketones formed? Good thing to know so I can avoid them at all cost. I real ... |
12-6-2009 at 12:37
by: Jor |
Preparation of cyanides
According to an article posted on this board, H2SO4.16H2O to H2SO4.18H2O is ideal concentration givi ... |
11-6-2009 at 13:18
by: Jor |
Best and worst smelling chemicals?
You have a point about the cumulative effects, but phosphine is just as toxic as stibine acutely! An ... |
9-6-2009 at 11:03
by: Jor |
Best and worst smelling chemicals?
I have made some stibine once (2 months ago), and decomposed it with heat giving very fine antimony ... |
9-6-2009 at 08:59
by: Jor |
Best and worst smelling chemicals?
You should chill your bromine, you did this right. What also helps in trying to minimize release opp ... |
8-6-2009 at 16:35
by: Jor |
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