| Search |
polymorphism
Woelen's site <a href="http://woelen.homescience.net/science/chem/exps/raw_material/sb2s3.html"&g ... |
25-4-2009 at 11:52
by: pyrochem |
Phthalic Anhydride
The esters of anthranilic acid are also DEA list 1, but methyl anthranilate aqueous solution (~26%, ... |
2-9-2008 at 21:30
by: pyrochem |
Unusual copper ([+I, +II] complex?
Unless I'm misreading the formula, doesn't atacamite only contain Cu<sup>2+</sup>?
Do ... |
3-2-2008 at 09:46
by: pyrochem |
NYPD trying to outlaw possession of Geiger counters or air quality detectors w/o permit
Is there anywhere where they define the types of detectors to be included?
Because I have a prett ... |
2-2-2008 at 21:43
by: pyrochem |
The end of pyrotechnics in NL is even closer
Yes, that's one of the things I hate the most about these rules. I set off one small firecracker (d ... |
2-2-2008 at 21:31
by: pyrochem |
Department of Homeland Security proposing anti-terror regs worse than anything DEA ever dreamt about...
Hydrogen sulfide is restricted in any amount? It makes me mad enough to throw a rotten egg at someo ... |
23-8-2007 at 14:53
by: pyrochem |
Chemicals found in New York
A somewhat chemophobic article appeared on CNN today:
http://www.cnn.com/2007/US/06/29/chemicals.fo ... |
29-6-2007 at 16:17
by: pyrochem |
bromate synthesis
Can permanganate be used instead of dichromate to prevent bromate reduction?
If it's only partial ... |
29-11-2006 at 22:10
by: pyrochem |
why gold is yellow?
Earlier in this thread, it was mentioned that gold and copper absorb the wavelengths they do not ref ... |
9-7-2006 at 09:46
by: pyrochem |
Exotic thermites & analogs
[quote]
Where do you get sodium sulfate?[/quote]
It is sold as Glauber's Salt, probably in pharm ... |
2-6-2006 at 16:16
by: pyrochem |
Bubbling
It will also probably release ammonia (NH3) from the NH4OH. |
1-6-2006 at 14:34
by: pyrochem |
reaction between sodium and chloromethanes
It should, because sodium is inert to hydrocarbons (such as the oil it is stored under). It is reac ... |
1-6-2006 at 14:19
by: pyrochem |
Royal Water Prep.?
Wouldn't the main gas produced just be HCl? It's a gas at room temperature and comes out of solutio ... |
24-4-2006 at 21:10
by: pyrochem |
The Smell of Iron, Copper
I haven't noticed a smell from copper or its compounds, but iron has a strong smell. Also, you can ... |
24-4-2006 at 21:03
by: pyrochem |
Exotic Primaries - Complex Salts
Pihop: I have sucessfully used sodium persulfate (from electronics store) to make tetraamminecopper ... |
7-2-2006 at 18:45
by: pyrochem |
Help !! Methyl Salycilate
Methyl salicylate is found in wintergreen plants. It is sold in pharmacies as oil of wintergreen, b ... |
29-1-2006 at 08:36
by: pyrochem |
acetylene
The acetylene is dissolved in acetone, but it might be hard to refill the tank. Best bet would be t ... |
10-1-2006 at 16:04
by: pyrochem |
What is "Black Ruthenium" plating?
I happened to see the same item, and I think thin platings of Ru are black/dark. Perhaps it is cove ... |
10-1-2006 at 15:44
by: pyrochem |
FeCl2
Try boiling the solution (outside). The water and hydrogen chloride should boil off, leaving FeCl2 ... |
1-1-2006 at 15:14
by: pyrochem |
Flash Powder
[quote][i]Originally posted by stygian[/i]
Anybody notice that according to brauer, potassium aurat ... |
1-1-2006 at 15:05
by: pyrochem |
Resistance to Magnetic forces
You could try a diamagnetic substance such as bismuth or pyrolytic graphite. These substances repel ... |
1-1-2006 at 09:21
by: pyrochem |
