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Routes for substituted cathinones synthesis
Hi,
at the university my friend is trying to prepare little quantities of cathinones to standards. ... |
22-3-2012 at 12:29
by: thorazine |
Scales without internal calibration
Hey!
Neither a book where i can find this kind of information? Sorry by the naive question.. |
23-5-2011 at 06:38
by: thorazine |
Scales without internal calibration
Hi!
I was searching for a scale and found this: http://www.scaninst.com/lang-en/serie-wtb/120-wtb-2 ... |
19-5-2011 at 05:30
by: thorazine |
Decent laboratory balances?
Hi!
I was searching for a scale and found this: http://www.scaninst.com/lang-en/serie-wtb/120-wtb-2 ... |
11-5-2011 at 05:59
by: thorazine |
fume hood design
I was wondering if was a good ideia use parquet on the floor of the fumewood! It's chemical resistan ... |
30-7-2010 at 19:59
by: thorazine |
Glassware: what this is for?
A friend of mine gave me two beakers like this, but i have no ideia for what this can be usefull. Do ... |
30-7-2010 at 18:40
by: thorazine |
How to convert ferrovanadium (82%) in vanadium pentoxide
Hi!
Woelen, sorry, my mistake! What added was NaClO3 like not_important said. I tried it because ... |
20-5-2010 at 15:01
by: thorazine |
How to convert ferrovanadium (82%) in vanadium pentoxide
When added NaOCl3 got a brown precipitate. Maybe V2O5 quite contaminated. I'll start again and do ex ... |
19-5-2010 at 10:49
by: thorazine |
How to convert ferrovanadium (82%) in vanadium pentoxide
I was experimenting and i add a solution of 10g of NaOCl3 in 15ml of water while boiling and it tur ... |
19-5-2010 at 08:52
by: thorazine |
How to convert ferrovanadium (82%) in vanadium pentoxide
Correct. I read more carefully and really could not be V4O9 (2 -). What is the justification for tha ... |
19-5-2010 at 07:22
by: thorazine |
How to convert ferrovanadium (82%) in vanadium pentoxide
Yesterday, after the solution being boiling about an hour i've get a red / brown solution and for wh ... |
19-5-2010 at 04:29
by: thorazine |
Preparing Ferric Chloride (III)
[Edited on 19-5-2010 by thorazine] |
19-5-2010 at 04:27
by: thorazine |
How to convert ferrovanadium (82%) in vanadium pentoxide
Yesterday when I added a few drops of sodium hypochlorite (13%) the solution turned bright green. I ... |
18-5-2010 at 07:36
by: thorazine |
How to convert ferrovanadium (82%) in vanadium pentoxide
not_important,
thanks a LOT! 
I was testing if a solution NaClO3 worked as an oxidant, but I g ... |
16-5-2010 at 14:01
by: thorazine |
How to convert ferrovanadium (82%) in vanadium pentoxide
Humm..iwhat i said is wrong, in paper they said they used NaClO3 and not NaOCl!But i was searching a ... |
15-5-2010 at 18:02
by: thorazine |
Understanding chemistry
Lesson one: http://www.youtube.com/watch?v=BX6lL6hvoEo&feature=PlayList&p=EE13EC639EEC0B3E&a ... |
15-5-2010 at 17:05
by: thorazine |
How to convert ferrovanadium (82%) in vanadium pentoxide
Thank you all!
not_important, i will try that this week! Thank you very much, i'm a beginner and ... |
15-5-2010 at 16:17
by: thorazine |
How to convert ferrovanadium (82%) in vanadium pentoxide
Hi! I bought some ferrovanadium in ebay and what i need is vanadium pentoxide. Anyone know any route ... |
14-5-2010 at 12:55
by: thorazine |
Preparing Ferric Chloride (III)
Thanks!! |
14-5-2010 at 12:53
by: thorazine |
Preparing Ferric Chloride (III)
Hey!
Thanks!
So many and different opinions. When i evaporated to dryness i've got a paste
tha ... |
3-5-2010 at 09:46
by: thorazine |
Preparing Ferric Chloride (III)
Hi!
I'm trying to prepare some Ferric Chloride (III). I reacted some Iron powder in excess with che ... |
2-5-2010 at 16:20
by: thorazine |
storage
Thanks!
I´ve made 3 groups:
1
Sodium Nitrate
Potassium Nitrate
Potassium Permanganate
P ... |
15-5-2009 at 13:43
by: thorazine |
storage
hi!
I bought some chemicals on ebay, low quantity, but i dont know how to store this! I'm thinking ... |
15-5-2009 at 11:53
by: thorazine |
Material Acquistion (Newbie question)
I'm from portugal! Yes..i've found VWR from here and they sell to individuals. The only problem now ... |
8-3-2009 at 09:02
by: thorazine |
Lab material suppliers from portugal or spain?
Hi!
How i said...i need to find a supplier that post to portugal! I'm having a little difficult f ... |
4-3-2009 at 16:23
by: thorazine |
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