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Arsenic from Skutterudite
Heh, yeah. Not dealing with that anymore.
Bought the copper tube, and decided to only hammer shut o ... |
23-5-2014 at 17:03
by: elementcollector1 |
Arsenic from Skutterudite
Have you been tired of the poor performance of your aluminium foil? Seeking something new and exciti ... |
22-5-2014 at 19:07
by: elementcollector1 |
Intangible Force Generator
Ooh, that sounds good. Maximum weight capacity of a few kilograms is still something I can get behin ... |
21-5-2014 at 19:13
by: elementcollector1 |
Intangible Force Generator
Not sure why it'd get Detritus'd - after all, this is Miscellaneous, and it is still technically sci ... |
21-5-2014 at 18:13
by: elementcollector1 |
Intangible Force Generator
Yeah... I'd much prefer it if this didn't involve closed containers - I would rather like to carry t ... |
21-5-2014 at 17:00
by: elementcollector1 |
Intangible Force Generator
This sounds so dumb, but I figured I'd at least make the attempt.
The goal here is to levitate an ... |
21-5-2014 at 10:48
by: elementcollector1 |
Making Liquid Nitrogen
http://www.sciencedirect.com/science/article/pii/S0011227598000319
Finally found the whole versio ... |
21-5-2014 at 10:27
by: elementcollector1 |
Arsenic from Skutterudite
Mine should have been fresh, but I digress.
News with the gray leftovers: Almost definitely resid ... |
20-5-2014 at 11:25
by: elementcollector1 |
Arsenic from Skutterudite
Per the test for copper: I did that too. Solution turned clear, then yellow, no precipitate whatsoev ... |
19-5-2014 at 05:20
by: elementcollector1 |
Arsenic from Skutterudite
Results are in - this is [i][b]not[/i][/b] copper. Ammonia had no effect on the brown precipitate (w ... |
18-5-2014 at 14:43
by: elementcollector1 |
Arsenic from Skutterudite
The solution was extremely hot when precipitation was happening, likely due to NaOH neutralizing ton ... |
18-5-2014 at 09:24
by: elementcollector1 |
SM Classifieds: A good idea?
You'd think they'd look at the content of the site before making decisions... yet several raided che ... |
17-5-2014 at 20:00
by: elementcollector1 |
Arsenic from Skutterudite
I now have fairly conclusive evidence that copper is the noted impurity.
For starters, the green so ... |
17-5-2014 at 11:50
by: elementcollector1 |
Elemental Scientific 20% Off!!!
Yeah, I never buy 1oz. |
17-5-2014 at 10:56
by: elementcollector1 |
Arsenic from Skutterudite
I don't think so - they're pretty constant and well bounded. The red is where the copper wire sunk i ... |
17-5-2014 at 10:06
by: elementcollector1 |
Bad days in the lab or with glassware?
I'm guessing it was ground glass? Sucks, man. That's at least $30 in replacement costs, assuming you ... |
16-5-2014 at 21:00
by: elementcollector1 |
SM Classifieds: A good idea?
Agreed, it should be closed off as References is.
As for moderation, I would certainly be willing t ... |
16-5-2014 at 16:14
by: elementcollector1 |
Arsenic from Skutterudite
Mainly due to the variety of colors produced upon sublimation, and that the solution was dark green ... |
16-5-2014 at 15:17
by: elementcollector1 |
Arsenic from Skutterudite
Huh. Lot less contamination than mine - maybe something in the initial solution is messing it up?
[ ... |
15-5-2014 at 19:12
by: elementcollector1 |
Arsenic from Skutterudite
Got a bunch of white, red, and green sublimates doing this... Not enough arsenic, or too much oxygen ... |
15-5-2014 at 18:14
by: elementcollector1 |
Arsenic from Skutterudite
Curiously, mine went green *before* addition of copper... and given my HCl was water-clear, I'm gues ... |
14-5-2014 at 15:49
by: elementcollector1 |
Arsenic Confirmed
Welp. Plating worked perfectly... so far.
[img]https://31.media.tumblr.com/8f5b7c836fe2367d496e79 ... |
14-5-2014 at 13:59
by: elementcollector1 |
Acetone
When I distilled nail polish remover, I was left with an orange solution in the distilling flask. Th ... |
12-5-2014 at 11:45
by: elementcollector1 |
Arsenic from Skutterudite
Well, collected more of that stuff via an odd process: The whiter substance easily forms a very temp ... |
11-5-2014 at 21:50
by: elementcollector1 |
How to make KOH (aka) Potassium Hydroxide
[rquote=330950&tid=30358&author=xcv826]@elementcollector1
Do you at least know search te ... |
11-5-2014 at 11:00
by: elementcollector1 |
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