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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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