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pentaerythritol from methanol and ethanol
But acetal formation is an equilibrium reaction, you have to activly remove water by dean starking o ... |
31-10-2006 at 22:52
by: The_Davster |
Exotic Primaries - Complex Salts
Dang, older than what I have access to.
Making clatrate type complexes with silver fulminate, wou ... |
29-10-2006 at 17:27
by: The_Davster |
Sulfuric Acid Production: Revisited
In the standard electrolysis demonstration, to be honest, I do not know why the sulfuric does not ge ... |
29-10-2006 at 15:56
by: The_Davster |
an inorganic chemistry mystery
[quote][i]Originally posted by Dr. Beaker[/i]
in the 1st one it's a Li salt of trimethyl ethyle ... |
29-10-2006 at 14:59
by: The_Davster |
Exotic Primaries - Complex Salts
Rosco, the PEP article link does not go anywhere, if it is after issue 23, I can obtain it.
I can't ... |
29-10-2006 at 10:38
by: The_Davster |
Sulfuric Acid Production: Revisited
With HF it works because look at the potentials:
F2 +2e- <-->2F- +2.87V
O ... |
29-10-2006 at 10:26
by: The_Davster |
Sulfuric Acid Production: Revisited
You will form sulfurous acid, oxygen(with small % ozone, this is actually a prep for dilute ozone in ... |
28-10-2006 at 17:38
by: The_Davster |
an inorganic chemistry mystery
Some thoughts,
The first one, the Li reduces the MCl4 to MCl2, which leaves more room for that liga ... |
28-10-2006 at 17:01
by: The_Davster |
LR grade and AR grade
What my text states, is that LR, laboratory reagent, usually is of no less purity than 99%, wheras A ... |
28-10-2006 at 16:40
by: The_Davster |
Chemistry Crisis in UK Universities
Is it just degrees in chemistry that are no longer available, or are there no chemistry courses bein ... |
28-10-2006 at 16:12
by: The_Davster |
Chemistry Crisis in UK Universities
Wait, Chemistry is too expensive!? I am sure chemistry and the other sciences and engineering creat ... |
26-10-2006 at 19:37
by: The_Davster |
Vanadyl Diacetate
I got the article, unfortunatly my new printer makes worse than horrible scans(or at least I can't g ... |
25-10-2006 at 17:10
by: The_Davster |
Vanadyl Diacetate
[quote][i]Originally posted by Chris The Great[/i]
I suspect their method was only because they wa ... |
24-10-2006 at 21:20
by: The_Davster |
CuSO4 electrolisis
You have to go into more detail about the equipment used, electrolysis experiments can be either ver ... |
22-10-2006 at 11:45
by: The_Davster |
Iodine trichloride
Your fridge goes down to -18
Anyone know what temp it can be stored indefinatly at without underg ... |
22-10-2006 at 10:38
by: The_Davster |
Meet new moderator The_Davster
Tim...Just remember I have a whole lot of new buttons to play with that I am not completly sure how ... |
22-10-2006 at 00:24
by: The_Davster |
Meet new moderator The_Davster
Thank you all of the elder mods!
Reason for the change, as many of you have likely caught me ra ... |
21-10-2006 at 23:43
by: The_Davster |
Iodine trichloride
Figured I would post this, I just tried it with success, until the filtration of the crystals as I r ... |
21-10-2006 at 20:06
by: The_Davster |
Chromium and nickel separation
Basify with a excess of base. Ni(OH)2 will form and precipitate, wheras the chromium will form its ... |
20-10-2006 at 16:36
by: The_Davster |
Coloring firworks chemistry demo
Or if you do not want to mess with all the solid oxidizers and fuels to get the colors you want, you ... |
20-10-2006 at 04:03
by: The_Davster |
Isolating Methyl Salicylate
I am not familiar with the vogel procedure...I only remember an upper layer when we made it in a sim ... |
18-10-2006 at 16:43
by: The_Davster |
Amateur chemistry and school
I'd go with it, no matter the sources, but the Society for amateur scientists, and the wired article ... |
18-10-2006 at 16:38
by: The_Davster |
Isolating Methyl Salicylate
It floats on water, and as such with a small ammount it is hard to see the layers because the menisc ... |
18-10-2006 at 14:52
by: The_Davster |
Sodium peroxide 8-hydrate
I prepared several grams of sodium peroxide about a year ago, it seemed to be storing fine, perhaps ... |
15-10-2006 at 20:49
by: The_Davster |
Storing sodium
I figured I would make a few little sodium ampoules today. I melted sodium under parafin oil/minera ... |
15-10-2006 at 14:43
by: The_Davster |
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