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Solar Eclipse 2017
[rquote=490756&tid=76261&author=Melgar]
I'm pretty sure that looking directly at a partial ...
22-8-2017 at 18:02
by: pantone159
Solar Eclipse 2017
Incredible show in SE Idaho! It was cool when things cooled down and the light dimmed as totality ap ...
22-8-2017 at 01:50
by: pantone159
Solar Eclipse 2017
I am in Idaho now with plans to watch. I am pleased that I can do the calculations for this 'myself' ...
20-8-2017 at 05:38
by: pantone159
Growing Crystals in Gels
[rquote=488682&tid=75682&author=DraconicAcid][rquote=488673&tid=75682&author=tsathog ...
24-7-2017 at 14:18
by: pantone159
Growing Crystals in Gels
The following is an excerpt from Chemical Demonstrations, A Handbook for Teachers of Chemistry, Bass ...
24-7-2017 at 07:11
by: pantone159
For sale: Sodium metal 99,99% in glass ampoules
I just got my Na ampule also, well-packed so it arrived ok, and I quite like it, thanks!

Let us k ...
17-7-2017 at 08:15
by: pantone159
For sale: Sodium metal 99,99% in glass ampoules
Following the nice reviews, I just ordered a Na ampule from your ebay site. Looking forward to the n ...
2-7-2017 at 08:21
by: pantone159
QUIZ: Can you name all the elements of the periodic table starting with 'C'?
It did not accept cadmium nor copernicium. So I got 12/10 :)
15-6-2017 at 13:29
by: pantone159
Sciencemadness turns 15 today
Happy Birthday Sciencemadness!

Everybody is now entitled to a stash of some Element 15 to celebra ...
19-5-2017 at 13:11
by: pantone159
Copper(II) acetate triarsenite synthesis questions/help
I am not familiar with As compounds, but the wikipedia entry for arsenious/arsenous acid As(OH)3 say ...
20-4-2017 at 06:27
by: pantone159
Solubility musings
It is all the increase in entropy of the universe, really. A decrease in energy of the system, reall ...
30-3-2017 at 20:05
by: pantone159
Two colors from same nails and HCl
Could the green color be ferrous ion? In contact with the metal Fe, it might stay as Fe+2 despite th ...
3-3-2017 at 17:47
by: pantone159
Iodized salt ok for brine washes?
Canning/pickling salt, or kosher salt is a better choice. Both of these that I have list the ingredi ...
3-3-2017 at 08:24
by: pantone159
Achtung baby: hasta la vista!
Welcome back!
17-2-2017 at 08:48
by: pantone159
Preparation of Chrome Yellow and Chrome Orange
Nice work, I like the colors. I did not know that the cloudiness in PbNO3 solutions was from the bas ...
16-2-2017 at 20:09
by: pantone159
Dissolving silver metal with ammonium thiosulfate
I would try thiosulfate long before CN or ferricyanide! Could use Na or NH4 thiosulfate. Both probab ...
13-2-2017 at 09:50
by: pantone159
Radium extration
Or perhaps this is supposed to be CoCl2 to refer to a dryness indicator in what looks like a drying ...
9-2-2017 at 08:05
by: pantone159
Periodic Table Display
I do not have as nice a display as some of these, but for F, I do have a sample of antozonite, which ...
12-1-2017 at 07:38
by: pantone159
thallium chemistry
Does elemental Tl dissolve easily in mineral acids? I have a surplus gram of it that could be good f ...
6-1-2017 at 15:28
by: pantone159
Best way to separate tetraamine copper sulfate and ammonium sulfate?
I suspect that you drove the ammonia away as a gas. You should not have had any copper hydroxide lef ...
4-1-2017 at 18:51
by: pantone159
Our Entire Maths System is Fundamentally Wrong
Complex numbers (those that have some component of i in them) are actually more natural than just th ...
28-11-2016 at 16:18
by: pantone159
Briggs–Rauscher reaction - Chemical Oscillations
I am pretty sure that you need malonic acid, I have never seen any substitutes for it in this reacti ...
18-11-2016 at 07:04
by: pantone159
Quantity of plutonium
The spill of the entire national supply (and it was probably micrograms) was probably back in WWII w ...
4-10-2016 at 06:09
by: pantone159
Red Cabbage pH juice - can it be stored?
I have had good luck extracting with 95% EtOH. I think I use about 50 g of 95% EtOH, and 50 g of red ...
24-5-2016 at 13:08
by: pantone159
Radium glow
[rquote=219369&tid=17295&author=Endimion17]
I think that photo of "radium" could very well ...
18-8-2011 at 14:18
by: pantone159
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