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Why DMF is controlled?
The fact that I could buy CHCl3 from some dodgy supplier as an individual isn't important. The ... |
9-10-2005 at 13:26
by: unionised |
Why DMF is controlled?
Article 2 says
Member States shall take all neccessary (SIC!necessary)measures to
ensure that the ... |
9-10-2005 at 04:37
by: unionised |
Why DMF is controlled?
DMF isn't very toxic compared to plenty of other chemicals. (Oral LD 50 in rats 2800 mg /Kg, ab ... |
9-10-2005 at 00:59
by: unionised |
Why DMF is controlled?
Gorrila, keep reading it until you understand it. (Or get someone to explain it to you.)
It is forb ... |
8-10-2005 at 13:30
by: unionised |
Why DMF is controlled?
Did you read this
"Chloroform may not be used in concentrations equal to or greater than 0,1 % ... |
7-10-2005 at 07:57
by: unionised |
about double iron salt
I think most of what we are disagreeing about is the exact meanings of words.
Oxygen is stable but ... |
6-10-2005 at 06:54
by: unionised |
Uranium from phosphate ore?
If he really thinks you can separate the uranium isotopes chemically he is too far into the left fie ... |
6-10-2005 at 06:01
by: unionised |
Iron ions and oak?
IIRC the tannins (condensed poly phenols/ cathchols) are produced by the tree to deter attack by fun ... |
5-10-2005 at 00:54
by: unionised |
about double iron salt
A couple of points.
I regularly use a solution of KMnO4 in 10% NaOH for cleaning glassware, it keep ... |
5-10-2005 at 00:32
by: unionised |
Physiostigmine
PHYSOSTIGMINE gets more hits. |
5-10-2005 at 00:02
by: unionised |
about double iron salt
"Look at the dichromates. Not unstable at all. "
The instabillity of Cr(VI) under slightl ... |
2-10-2005 at 11:52
by: unionised |
Mushrooms chemicals extraction...
Just remember
All mushrooms are edible -once.
[Edited on 1-10-2005 by unionised] |
1-10-2005 at 06:22
by: unionised |
vacuum-assisted soxhlet extraction
Use lots of ethanol so that, even when the soxhlet is full, there is still plenty of solvent in the ... |
1-10-2005 at 06:07
by: unionised |
Urea Phosphate
Even with a monobasic acid like perchloric the salt will form an acidic solution in water.
Urea is ... |
1-10-2005 at 06:01
by: unionised |
Synthesis of Sugars from Aldehydes+Alkaline Earth Hydroxides?
Trioxymethylene is another name for s- trioxane and isn't the same as paraformaldehyde (which i ... |
28-9-2005 at 12:57
by: unionised |
How does K2r work??
Silica gel is made from sodium silicate but it is made of silica.
Silica is white.
Plenty of sodiu ... |
25-9-2005 at 03:50
by: unionised |
prussic acid preparation ?
If you need to ask questions like that you don't know enough to be playing with cyanides. Cyani ... |
17-9-2005 at 03:21
by: unionised |
"dry" acetone
" the drying agent of choice is sodium carbonate"
Sounds like a synthesis of diacetone al ... |
17-9-2005 at 03:15
by: unionised |
Any info on endosulfan synthesis?
http://144.16.93.203/energy/HC270799/HDL/ENV/enven/vol337.htm |
10-9-2005 at 10:35
by: unionised |
chlor_alkali
Tried Amazon, Waterstones, Blackwells, books'r'us? In more general terms, a bookshop? |
7-9-2005 at 10:06
by: unionised |
!the tread IrC asked me to start.
I'd forgoten about tunnel diodes. They really make a mockery of the idea that V=IR.
This site
... |
7-9-2005 at 09:51
by: unionised |
!the tread IrC asked me to start.
OOps! wrong delta.
Glad to know that someone read what I posted. |
6-9-2005 at 09:34
by: unionised |
!the tread IrC asked me to start.
It's interesting to know how these chips that the 21st century runs on are designed. (though I ... |
5-9-2005 at 11:04
by: unionised |
!the tread IrC asked me to start.
"
If we want to consider what Ohm actually said, then his law is:
(Current Density) = (C ... |
5-9-2005 at 09:06
by: unionised |
!the tread IrC asked me to start.
Can we get something straight,
Ohm's law is what he said it was, that's the first of I a ... |
4-9-2005 at 21:58
by: unionised |
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