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Too much radiation?
I wouldn't be worried about it at all. Also, don't take the clicks from a geiger counter all too se ...
21-9-2006 at 18:02
by: Jdurg
Chemical resistance of materials
[quote][i]Originally posted by ethan_c[/i]
In your particular example, suffice to say: If it is org ...
21-9-2006 at 17:52
by: Jdurg
Bromine Source and Synthesis
Heh. Another thing to keep in mind. Even if you seal bromine into a glass ampoule, over time it wi ...
4-9-2006 at 07:15
by: Jdurg
What else can Uranium be used for?
As mentioned in the post above mine, the process of radioactive decay is completely random. It may ...
13-8-2006 at 18:28
by: Jdurg
So called 'professional' labs (and people think home chemistry is dangerous)
One of the worst things I saw was in a state run urine testing laboratory. Underneath the fume hood ...
4-8-2006 at 11:20
by: Jdurg
pronounciation
[quote][i]Originally posted by Darkblade48[/i]
Actually, I realize that it might be both syllables ...
30-7-2006 at 17:49
by: Jdurg
Unlabelled jar with metal.
You can probably rule out arsenic because "metallic" Arsenic will tarnish VERY rapidly in open air i ...
29-7-2006 at 17:27
by: Jdurg
storage of chemicals
I'm certain that there is no hole as for the first 1.5 to 2 years there was absolutely NO odor at al ...
21-7-2006 at 14:15
by: Jdurg
storage of chemicals
[quote][i]Originally posted by rogue chemist[/i]
Someone here posted something about heating a glas ...
19-7-2006 at 17:12
by: Jdurg
storage of chemicals
These are standard, borosilicate glass test tubes that have been melted shut on one end to seal in t ...
17-7-2006 at 13:05
by: Jdurg
storage of chemicals
BTW, just thought I'd point out that even if it is sealed in a glass ampoule, halogens will leach th ...
16-7-2006 at 18:50
by: Jdurg
classification of nitrogen triiodide monoammine
[quote][i]Originally posted by havokane[/i]
ok, so when you put idoine crystals in clear ammonia, y ...
16-7-2006 at 18:14
by: Jdurg
Iridium (IV) chloride
The problem is the refining of the produced plutonium. In addition to having to wait for a very lon ...
14-7-2006 at 19:24
by: Jdurg
A pretty good equipment place.....
I have a full collection of the elements and the most difficult part is finding a way to safely stor ...
11-7-2006 at 18:56
by: Jdurg
Iridium (IV) chloride
[quote][i]Originally posted by chemoleo[/i]
Very nice, woelen.

All colours of the spectrum - in ...
11-7-2006 at 18:43
by: Jdurg
Liquid Iodine
You don't even need the layer of water to generate liquid iodine. You just need a test tube with a ...
11-7-2006 at 18:36
by: Jdurg
why gold is yellow?
[quote][i]Originally posted by neutrino[/i]
Is osmium really blue or is this just refraction from i ...
11-7-2006 at 18:22
by: Jdurg
naoh
[quote][i]Originally posted by enhzflep[/i]
My guess is that the request was aimed at starting a fl ...
9-7-2006 at 17:47
by: Jdurg
why gold is yellow?
Cesium metal is also a yellow color just like gold, and osmium metal has a blue hue to it. Pure bis ...
9-7-2006 at 17:46
by: Jdurg
Best and worst smelling chemicals?
[quote][i]Originally posted by woelen[/i]
[quote]H2Se/SeO2: HORRIFIC![/quote]
Jdurg, I have some S ...
6-7-2006 at 18:06
by: Jdurg
I need $20 worth of Gallium!
That's pretty much exactly the reason why it stained the inside of my mouth. The stuff is not like ...
4-7-2006 at 18:57
by: Jdurg
Best and worst smelling chemicals?
H2Se/SeO2: HORRIFIC! They smell like rotted radishes mixed with rotted eggs. Thankfully, I only s ...
4-7-2006 at 18:54
by: Jdurg
Higher oxidation states of caesium.
[quote][i]Originally posted by neutrino[/i]
[quote][i]Originally posted by JohnWW[/i]
how about tr ...
1-7-2006 at 15:27
by: Jdurg
I need $20 worth of Gallium!
Sorry to disappoint, but I can't recall noticing any "differences" on the other side. :D
1-7-2006 at 15:21
by: Jdurg
I need $20 worth of Gallium!
[quote][i]Originally posted by neutrino[/i]
>I've swallowed plenty of gallium metal myself and t ...
30-6-2006 at 16:28
by: Jdurg
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