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Suspicious company
14 pounds for 25g!?!?!?! That's INSANE. Even [url=http://www.unitednuclear.com/supplies.htm]Uni ... |
5-10-2004 at 15:43
by: neutrino |
atmospheric combustion of Al (foil)
All forms of mercury are toxic. The salts and the vapor are highly toxic, the organo forms (if dimet ... |
3-10-2004 at 13:49
by: neutrino |
Dichloromethane ?
Those claims might be eggadurated for liability purposes. In any case, are you sure that they say th ... |
2-10-2004 at 20:07
by: neutrino |
Synthesis of isatin from indigo via ozone, HNO3 and others
There are chemical ways of making ozone that should be much cheaper than getting a generator and yei ... |
2-10-2004 at 20:05
by: neutrino |
Dichloromethane ?
I have seen it referred to as a possible carcinogen in the handfull of MSDS sheets I have seen. Wher ... |
2-10-2004 at 17:43
by: neutrino |
Acetic anhydride preparation
What I don't understand is why only salts of acetic acid work in the pyrosulfate method and not ... |
1-10-2004 at 13:30
by: neutrino |
Increasing esterification yields of boric acid esters
I thought about the oxide, but realized that it will still make some pesky water. Are you sure about ... |
1-10-2004 at 02:26
by: neutrino |
Urey-miller Experiment.
What could be produced corrosive enought to attack glass like that? Trace amounts of hydrazine hydra ... |
30-9-2004 at 18:13
by: neutrino |
Increasing esterification yields of boric acid esters
I am planning on making an ester of boric acid with an alcohol and am concerned about the yield. The ... |
30-9-2004 at 16:11
by: neutrino |
Organic Bases vs Organic Acids
Hydroxyl groups do not become hydroxide ions, but they can react with acids, usually with the help o ... |
30-9-2004 at 16:10
by: neutrino |
THF ( tetrahydrofuran)
I think we're looking for a source that isn't going to make the DEA pay us a little visit. |
30-9-2004 at 13:27
by: neutrino |
What are we going to do?
[quote][i]Originally posted by Magpie[/i]
You can't buy chemicals and glassware through regula ... |
29-9-2004 at 19:02
by: neutrino |
Carbon from Batteries
Zinc and ammonium chloride are highly soluble in water while MnO<sub>2</sub> is insolubl ... |
27-9-2004 at 13:57
by: neutrino |
silver phosphate plus nitric acid yields...
If there are no ions present that will form a percipitate, you will just get a solution full of ions ... |
27-9-2004 at 13:35
by: neutrino |
atmospheric combustion of Al (foil)
Have you tried igniting the foil with the help of magnesium ribon? I'd bet that the best geomet ... |
25-9-2004 at 20:45
by: neutrino |
distinguishing b/w solns
For c, the solution turning blue wouldn't be a sure sign of HNO<sub>3</sub>. Rememb ... |
25-9-2004 at 15:38
by: neutrino |
Faraday's Heavy Glass
The purpose of annealing is to relieve the internal stresses induced in glass by its cooling and sol ... |
24-9-2004 at 18:02
by: neutrino |
Preparation of elemental phosphorus
According to Lange's 15th, Na<sub>3</sub>PO<sub>4</sub> (anhydrous) mel ... |
24-9-2004 at 17:49
by: neutrino |
High vacuum CHEAP and dirty!
I think that they use mechanical vacuum pumps. They can get a better vacuum than aspirators and requ ... |
24-9-2004 at 02:30
by: neutrino |
Super Mold
Make a culture with the mush, then transfer a small piece of this to your bread. That way, you get b ... |
23-9-2004 at 16:06
by: neutrino |
Solvent explosions, exaggerated danger.
That reminds me of something they taught us in "health" class a few years ago: never use b ... |
21-9-2004 at 16:19
by: neutrino |
Scrapheap Challenge (industrial scavenging)
You might be able to salvage some lanthanides from the phosphors, but there really isn't too mu ... |
21-9-2004 at 15:56
by: neutrino |
Vanadium Oxytrinitrate
Have you tried extracting the compound from the solution with any of the solvents listed in the refe ... |
18-9-2004 at 06:13
by: neutrino |
More on PbO2 electrodes
If you don't have any luck finding suitably sized plexiglass, many chem and bio suppliers sell ... |
17-9-2004 at 13:12
by: neutrino |
Solvent explosions, exaggerated danger.
The reason they don't use sand anymore is that its so heavy. Have something around some delicat ... |
17-9-2004 at 13:08
by: neutrino |
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