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Nitric acid properties
Can't it be sensor overload (in the nose) that gives very stinky things same smell? Sometimes w ... |
13-5-2004 at 13:18
by: frogfot |
Uses for sheet rock (gypsum) ?
In another industry process they heat CaSO4 with coal at 1500*C:
CaSO4 + C --> CO + SO2 + CaO
... |
13-5-2004 at 13:07
by: frogfot |
Nitrogen N4
Huh, here one would make use of things one learned at quantum chemistry..
I tryed to assemle tetr ... |
13-5-2004 at 12:25
by: frogfot |
use of Na in PhMgBr synthesis
Cool, I didn't knew that.
Could R-Na be used instead of grignard?
I've seen R-Li compo ... |
13-5-2004 at 07:22
by: frogfot |
curious adventures with alcohol oxidation
I checked the reference on toluene --MnO2/H2SO4--> benzaldehyde, but it gave 5% yield!! ahh
Ho ... |
13-5-2004 at 07:12
by: frogfot |
I2 and Toluene frustrations
[quote][i]Originally posted by acx01b[/i]
what is the role of formaldehyde ???
wow ok its double a ... |
13-5-2004 at 06:42
by: frogfot |
curious adventures with alcohol oxidation
I've seen the MnO2 method mentioned, but they use H2SO4, no copper mentioned. Heres the referen ... |
11-5-2004 at 14:43
by: frogfot |
I2 and Toluene frustrations
[quote][i]Originally posted by Organikum[/i]
Is this like entering a room full with chlorine again ... |
11-5-2004 at 14:26
by: frogfot |
use of Na in PhMgBr synthesis
Isn't main task of Na to remove any present water.. Usually, initiation of grignard formation w ... |
11-5-2004 at 13:49
by: frogfot |
Acetic anhydride preparation
Problem with NaHSO4 decomp is that Na2S2O7 decomposes to SO3 and Na2SO4 at 460*C. Although temp diff ... |
11-5-2004 at 13:38
by: frogfot |
Anhydrous ammonia preparation
My old chem book said to use NH4Cl and conc KOH solution. Like PHILOU said, in big concentrations of ... |
24-7-2003 at 22:27
by: frogfot |
Iodoform
I guess I have to try this and see how it goes... treating it as gently as death..  |
23-7-2003 at 00:04
by: frogfot |
decarboxylation...
I have checked the preparation of formaldehyde in scimadness library and one thing sounds strange.. ... |
19-7-2003 at 19:44
by: frogfot |
Iodoform
On my recent search for some easy experiment with iodine i found synthesis of iodoform. It required ... |
19-7-2003 at 18:04
by: frogfot |
toluene oxidation fun
A question. I've found a source of toluene (probably paint thinner) which said "contains 3 ... |
13-7-2003 at 20:21
by: frogfot |
KCLO3 by way of H2O + KCL
Increasing anode surface. |
13-7-2003 at 20:15
by: frogfot |
Dinitrodimethyl oxalate
I'm wondering.. Some esterification reactions with formic acid does not require any mineral aci ... |
28-6-2003 at 02:06
by: frogfot |
perpetual motion
Iv4, go away, you have too much anger inside... 
Kovalie, have i understood that main part of y ... |
8-6-2003 at 06:01
by: frogfot |
Processing chlorate cell electrolyte
Soz, this is kinda late reply but i couldn't let it be..
Chromates is used to rise efficienc ... |
6-6-2003 at 00:23
by: frogfot |
Just an update
Well, i got totally 217g of product from above named electrolyte. After second recrystallisation i g ... |
11-4-2003 at 12:46
by: frogfot |
Processing chlorate cell electrolyte
I didn't used cromates.. but maby cathode is responcible for this, it was usuall iron. Recently ... |
2-4-2003 at 03:32
by: frogfot |
Processing chlorate cell electrolyte
Hi, i got a really annoying problem. After preparing chlorate electrolytically i found it hard to re ... |
1-4-2003 at 02:23
by: frogfot |
HMTD problem
Cool, now things start to make some sence. Now i just thoat that this time at 0*C is needed to conve ... |
12-1-2003 at 06:09
by: frogfot |
HMTD problem
Recently i read HMTD synthesis in sciencemadness library, it was taken from Chem Soc journal so it h ... |
11-1-2003 at 15:07
by: frogfot |
HMTD problem
Aaron, since you used 10x times diluted H2O2 you should use 10x times more catalyst, though that wou ... |
10-1-2003 at 12:28
by: frogfot |
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