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Little things that surprised you in chemistry
Ferric nitrate is so weird. It starts off as purple crystals, but dissolves to give a yellowish-brow ... |
30-1-2014 at 19:59
by: Brain&Force |
General Discussion of Terbium Compounds
Ferric ions most definitely kill the Tb fluorescence. I made another batch of double sulfate and whe ... |
30-1-2014 at 19:54
by: Brain&Force |
Little things that surprised you in chemistry
I spilled some 6 M HCl on my hand, quickly rinsed it off, and suffered no ill effects. I expected st ... |
27-1-2014 at 15:51
by: Brain&Force |
General Discussion of Terbium Compounds
The fluorescence stops when the terbium crystals enter the acidified solution containing ferric ions ... |
27-1-2014 at 15:46
by: Brain&Force |
Pretty Pictures (2)
Some astronomy: the moon, Saturn and Jupiter
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26-1-2014 at 14:19
by: Brain&Force |
General Discussion of Terbium Compounds
I've made some big discoveries:
The first one is that the water itself does not stop the fluoresc ... |
26-1-2014 at 13:13
by: Brain&Force |
Green Smash-Glow Crystals
Is the complex magnetic? I finally got some pure Tb-sulfate and it's pretty magnetic (enough to be l ... |
26-1-2014 at 12:52
by: Brain&Force |
New supernova in M82 - closest in 21 years!
I saw the supernova last night! It was visible around magnitude 10.8, with a magnification of 75x an ... |
26-1-2014 at 12:38
by: Brain&Force |
New supernova in M82 - closest in 21 years!
More links:
General info: http://messier.seds.org/more/m082_sn2014J.html
[b]Finder chart[/b]: ... |
24-1-2014 at 08:02
by: Brain&Force |
New supernova in M82 - closest in 21 years!
SN 2014J, a Type Ia, has exploded in the constellation Ursa Major. (Apologies to everyone in the sou ... |
23-1-2014 at 16:43
by: Brain&Force |
General Discussion of Terbium Compounds
Sorry about that edit, I was talking about whether or not I should separate the dead crystals from t ... |
23-1-2014 at 16:28
by: Brain&Force |
Pseudoscience & Willful Ignorance
(From Wikipedia) "At gas phase concentrations greater than 30% volume in air at STP (more correctly: ... |
23-1-2014 at 15:56
by: Brain&Force |
"chemical chameleon" experiment & "Crystal Drano" (impure NaOH)
This I got to see...Next time use excess hydrogen peroxide as a reducing agent (3% appears to be suf ... |
23-1-2014 at 15:39
by: Brain&Force |
Making barium nitrate from barium carbonate without nitric acid
Woelen's procedure sounds good to me, but if you take the KCl contaminated crystals and dissolve the ... |
23-1-2014 at 15:32
by: Brain&Force |
The Short Questions Thread (4)
If I mix Cl[sup]-[/sup] and Cu[sup]2+[/sup], the tetrachlorocuprate complex ion is formed. Am I prod ... |
23-1-2014 at 15:28
by: Brain&Force |
The trouble with neodymium...
If I dissolve hydrous NdCl[sub]3[/sub] in pyridine, will I be able to dry it with calcium oxide? I c ... |
23-1-2014 at 15:15
by: Brain&Force |
Woo hoo!
I decided to check the mother liquor for fluorescence.
[file]28840[/file]
Now that's what I'm ... |
22-1-2014 at 15:54
by: Brain&Force |
The trouble with neodymium...
Why not try electrolysis of a soluble neodymium salt in pyridine? Apparently lithium can be made wit ... |
22-1-2014 at 15:22
by: Brain&Force |
Making barium nitrate from barium carbonate without nitric acid
[rquote=316313&tid=28642&author=TheChemiKid]...you could try adding copper nitrate to the ba ... |
22-1-2014 at 15:09
by: Brain&Force |
Pretty Pictures (2)
Here's some tetraamminecopper(II) sulfate and tetrachlorocupric acid (is that what you'd call the gr ... |
22-1-2014 at 15:00
by: Brain&Force |
Good idea to make my own catalyst?
What reaction are you attempting? Different reactions require different catalysts, and some are triv ... |
20-1-2014 at 18:12
by: Brain&Force |
General Discussion of Terbium Compounds
According to Wikipedia's solubility table, lanthanum iodate is insoluble. So forming terbium iodide ... |
20-1-2014 at 12:55
by: Brain&Force |
Rare earths from Gadolinite (Ytterbite)
Just wondering, does the rare earth sulfate fluoresce at all? |
20-1-2014 at 10:39
by: Brain&Force |
General Discussion of Terbium Compounds
From my experience and MrHomeScientist's thread on terbium tetrakis(dibenzoylmethide)triethylammoniu ... |
20-1-2014 at 10:36
by: Brain&Force |
The trouble with neodymium...
[rquote=316014&tid=14145&author=MrHomeScientist]I added about half of the Na[sub]2[/sub]SO[s ... |
20-1-2014 at 10:10
by: Brain&Force |
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