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4N,3N,2N gallium
No. 2N is 99%, 3N5 is 99.95%, and 6N is 99.9999%.
People seem to have a gallium fixation these d ... |
21-5-2010 at 18:06
by: Fleaker |
Methyl aryl ether demethylation of 4-Allyl-2-methoxyphenol - a LONG discussion
Seemingly, quite a few have some degree of fixation and dare I say morbid interest on eugenol's deme ... |
12-5-2010 at 18:34
by: Fleaker |
LiAlH4 synthesis
Frankly, I'm not a big fan of LAH. Sure, it does some convenient things, but I'd rather go with cata ... |
12-5-2010 at 17:58
by: Fleaker |
Beware eBay aluminum
Aluminum metal has a "hot short" state right around a dull red heat, or just as it's cooling. It's v ... |
3-5-2010 at 14:28
by: Fleaker |
Question about PTFE Thermometer Adapter
What's wrong with teflon tape? |
3-5-2010 at 14:26
by: Fleaker |
ammonium perrhenate reduction
Room temperature--it had cooled under a stream of H2.
The rule of never cooling a PGM in hydroge ... |
1-4-2010 at 12:29
by: Fleaker |
Scrap metal recycling
Many scrappers would prefer wire over copper ingot. I could say all scrapyards, but I don't know all ... |
31-3-2010 at 16:24
by: Fleaker |
Acetaldehyde synthesis
The sulfury gas smell would be rendered odourless by ozone! Not that my idea of fun is making ozone ... |
31-3-2010 at 16:20
by: Fleaker |
ammonium perrhenate reduction
King? I think not! My first reduction of ammonium perrhenate failed miserably! I nearly burnt the he ... |
31-3-2010 at 16:17
by: Fleaker |
ammonium perrhenate reduction
Jor,
I can trade you Re for your perrhenate. |
31-3-2010 at 04:11
by: Fleaker |
ammonium perrhenate reduction
Congratulations on your recent acquisition--interesting enough that you get some so soon :-).
Yo ... |
28-3-2010 at 08:40
by: Fleaker |
Mag stirring through Glas-Col heating mantle?
It will stir (at least mine do). Worst comes to worst, get overhead stirring if you're after torque. |
19-3-2010 at 15:34
by: Fleaker |
Glass stopper broken off
I'd wrap it in an absorbent blanket and lightly take the hammer to it while wearing coat, goggles, g ... |
7-3-2010 at 09:10
by: Fleaker |
Some helpful advice
Yes, you can test with acidified stannous chloride--gold is purple (of Cassius), palladium is nickel ... |
27-2-2010 at 18:41
by: Fleaker |
brown color in precious metal solution?
garage chemist gave good advice, for he has done this.
The brown colour you see is indeed palladi ... |
17-2-2010 at 18:11
by: Fleaker |
Extraction of Mn2O7 using CCl4?
Jor,
This is excerpted from Brauer's:
"
Manganese (VII) Oxide
Mn2O7
2 KMnO4 + 2 H2SO4 = 2 KHS ... |
24-1-2010 at 09:40
by: Fleaker |
Microwave transperant solvents
Nicodem, I can think of many polymerizations that will work in minutes in the microwave but will tak ... |
24-1-2010 at 08:39
by: Fleaker |
NOAA Satellite Reception
Very impressive!! |
15-1-2010 at 18:19
by: Fleaker |
(Organic) Chemistry and Web 2.0
This is true. Perhaps I was worked up in reading that garbage paper where it talks about its well-kn ... |
15-1-2010 at 18:07
by: Fleaker |
(Organic) Chemistry and Web 2.0
[quote]
It started with an eyebrow-raising, topsy-turvy claim that a strong reducing agent could ef ... |
13-1-2010 at 14:55
by: Fleaker |
Charred Glassware
I would strongly consider using Caro's acid as the last resort, and only after you've physically rem ... |
11-1-2010 at 19:14
by: Fleaker |
Aqua regia dangers
One can get appreciable amounts of silver to dissolve in aqua regia by saturating it with KCl (or if ... |
11-1-2010 at 19:07
by: Fleaker |
Lab Flooring
Epoxy-painted cement is all that I've seen in serious laboratories.
Sometimes well-butted tile is ... |
11-1-2010 at 18:51
by: Fleaker |
4-methoxyphenol syn using hydroquinone methyl iodide
One thing I do not understand: why the DCM extraction?
Why not neutralize the sulfuric acid with ... |
11-1-2010 at 18:48
by: Fleaker |
Fuming Nitric Acid
Does it need to be ''fuming''? By that do you mean white fuming or red fuming nitric acid? I know no ... |
3-1-2010 at 13:18
by: Fleaker |
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