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Obtaining rare earths from around the house
MiG-29 components contain scandium-aluminum alloys.
One of the problems with scandium as a pure m ... |
14-4-2014 at 17:00
by: Brain&Force |
Talent show - demos in 5 minutes or less?
Never mind, I got the barking dog to work! I didn't add any coloring agents though...I'll try stront ... |
14-4-2014 at 12:35
by: Brain&Force |
Talent show - demos in 5 minutes or less?
I'm not doing elephant toothpaste - too messy.
The problem I have with the barking dog is that I ... |
14-4-2014 at 10:13
by: Brain&Force |
Total lunar eclipse over North America
Shamelessly ripped off from Wikipedia. Times are in UTC. PDT is UTC-7 and EDT is UTC-4 for reference ... |
12-4-2014 at 11:11
by: Brain&Force |
Total lunar eclipse over North America
This is the first one visible from the Americas since the winter solstice of 2011 (I also saw this o ... |
12-4-2014 at 10:43
by: Brain&Force |
Obtaining rare earths from around the house
Here are the colors of different lanthanide compounds:
Lanthanum: colorless (0 f-electrons)
Ceri ... |
12-4-2014 at 10:30
by: Brain&Force |
Don't buy hydroponic equipment!
http://www.huffingtonpost.com/2014/04/12/dea-marijuana-garden-store_n_5128771.html?ncid=txtlnkusaolp ... |
12-4-2014 at 10:13
by: Brain&Force |
Talent show - demos in 5 minutes or less?
I'm setting it up differently:
Beaker A: Sulfuric acid, hydrogen peroxide
Beaker B: Thiosulfate, ... |
11-4-2014 at 20:38
by: Brain&Force |
Talent show - demos in 5 minutes or less?
So I've narrowed the demos down to a relatively small list of ones that will be in the program:
F ... |
11-4-2014 at 20:06
by: Brain&Force |
Talent show - demos in 5 minutes or less?
What happens with the ferric chloride? I know about thiocyanate and hydroxide, and I probably don't ... |
10-4-2014 at 16:41
by: Brain&Force |
Creating Cobalt Fluoride/Nitrate Mixture
Cobalt fluoride is only slightly soluble in water (14 g/L), so it would most likely crash out of sol ... |
10-4-2014 at 16:26
by: Brain&Force |
Pretty Pictures (2)
Aw, come on! Nobody's going to top the brothers Hegedus!
I'm just wondering, kristofvagyok, what ... |
10-4-2014 at 16:02
by: Brain&Force |
Talent show - demos in 5 minutes or less?
At my school we're having a talent show. I wasn't planning to enter it, but they did like my idea of ... |
10-4-2014 at 15:57
by: Brain&Force |
Obtaining rare earths from around the house
And I shall complete the trio of rare-earth nutters!
The more distant the lanthanides are on th ... |
9-4-2014 at 12:00
by: Brain&Force |
General Discussion of Terbium Compounds
I made a bit of a mistake when attempting to seperate the terbium using the oxalate method. I accide ... |
8-4-2014 at 17:36
by: Brain&Force |
Production and storage of europium(II) compounds
I don't think it'll fluoresce unless it's pretty corroded. Also, depending on air exposure, some of ... |
8-4-2014 at 09:15
by: Brain&Force |
Why is lutetium in the f-block and lanthanum in the d-block?
[img]http://www.ipgp.fr/~tarantola/Files/Professional/Mendeleev/TarantolaTable.jpg[/img]
A left s ... |
8-4-2014 at 09:10
by: Brain&Force |
The Short Questions Thread (4)
If you want to make copper chloride, precipitate the copper sulfate with sodium carbonate/bicarbonat ... |
6-4-2014 at 12:01
by: Brain&Force |
Signing up to this forum is a pain in the a-hole
Second the chem questions idea.
I also think there should be an introduction thread/subforum that ... |
4-4-2014 at 14:42
by: Brain&Force |
Production and storage of europium(II) compounds
It is highly likely the carbonates formed, based on my experience with terbium compounds. I'm sure t ... |
4-4-2014 at 14:14
by: Brain&Force |
Chameleon colour change experiment
Also the concentration of sodium hydroxide has a significant effect on the blue-green phase of the r ... |
31-3-2014 at 18:27
by: Brain&Force |
Chameleon colour change experiment
Why not try it with hydrogen peroxide as the reducing agent to see what effect, if any, the reducer ... |
31-3-2014 at 12:10
by: Brain&Force |
Electrolysis of alkali salts at STP
http://www.sciencedirect.com/science/article/pii/0013468682801114
Not a free article, but somebod ... |
31-3-2014 at 12:09
by: Brain&Force |
Pretty Pictures (2)
Beautiful, Hegi, just beautiful! I tried making iron sulfate through replacement of copper sulfate a ... |
31-3-2014 at 11:58
by: Brain&Force |
Sodium acetate discoloration
There's one variant for odor scrubbing that contains an air freshening compound, but their all-purpo ... |
30-3-2014 at 18:03
by: Brain&Force |
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