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Red and Yellow Phosporus on eBay...
For small amounts of red phosphorus, it is better to use sources like cap gun pellets using Armstron ...
12-6-2011 at 02:54
by: LanthanumK
Ways to Bromine (or HBr) from KBr
Do you have concentrated phosphoric acid? It reacts with a bromide to make hydrogen bromide gas.
12-6-2011 at 02:51
by: LanthanumK
Formation of copper(I) ammine complex
Cu2O, not CuO. Which one did you mean?
11-6-2011 at 18:01
by: LanthanumK
Formation of copper(I) ammine complex
I am trying to use ammonia to prove whether a red precipitate is Cu2O or Cu; if that helps.
11-6-2011 at 15:11
by: LanthanumK
How Did You get Started in Chemistry?
That is a lot of crystals for such a small boy to ingest and although he got severe poisoning, they ...
11-6-2011 at 11:25
by: LanthanumK
How Did You get Started in Chemistry?
I became interested in chemistry with the purchase of a science kit which only contained two chemica ...
11-6-2011 at 08:42
by: LanthanumK
Constantly performing an unsafe act does not...
Some energetic chemicals are not consistent and, based on the production conditions, have widely var ...
11-6-2011 at 08:01
by: LanthanumK
Formation of copper(I) ammine complex
When copper dissolves in an aqueous solution of ammonia containing some dissolved oxygen, does the c ...
11-6-2011 at 05:58
by: LanthanumK
Bad days in the lab or with glassware?
Some gunk from a chemical cold pack crystallized in the bottom of my only beaker. It was moderately ...
10-6-2011 at 12:50
by: LanthanumK
aluminum resistant to nitric and sulfuric acid mixture
Check Xenomorph's post above where no reaction was observed with 25% concentrated NH3.
10-6-2011 at 11:39
by: LanthanumK
Strontium and Barium
Regarding manganese chloride; I dried a nice pink MnCl2 solution with a hair drier set to the highes ...
10-6-2011 at 05:59
by: LanthanumK
aluminum resistant to nitric and sulfuric acid mixture
There are many videos of people blowing of Al + HCl bombs. It is a very exothermic reaction. I have ...
10-6-2011 at 04:35
by: LanthanumK
Curious nature of rust
So it appears that without electrolytes, iron rusting occurs at a negligible rate.
10-6-2011 at 03:13
by: LanthanumK
Thoughts on acids/bases
Sternman318: This dissociation equilibrium is typical of ionic substances. It should happen in ionic ...
10-6-2011 at 03:12
by: LanthanumK
Magnesium powder from magnesium ingots
This video (http://www.youtube.com/watch?v=3Se750W6Lm0) shows how to make small quantities of magnes ...
10-6-2011 at 03:08
by: LanthanumK
aluminum resistant to nitric and sulfuric acid mixture
Xenomorph, don't forget that NH4OH is a weak base, while NaOH is a strong base. Its like using 37% a ...
10-6-2011 at 03:03
by: LanthanumK
Strontium and Barium
I have heard that barium sulfate is insoluble in just about anything. I just Googled it (the solubil ...
9-6-2011 at 16:02
by: LanthanumK
Strontium and Barium
Don't use me as an excuse to drink. :( If you have too much, just use it in chemistry experiments, s ...
9-6-2011 at 15:15
by: LanthanumK
Strontium and Barium
The NaCl is soluble, while the SrCO3 is insoluble. Washing the precipitate several times with water ...
9-6-2011 at 13:32
by: LanthanumK
Cold pack disappointment
If you want ammonium chloride, why not just react NH3 with HCl instead of NH4NO3 and KCl?
9-6-2011 at 10:31
by: LanthanumK
Curious nature of rust
Has the claim about carbon dioxide being necessary for iron corrosion been disproved?
9-6-2011 at 10:22
by: LanthanumK
Strontium and Barium
According to the Wikipedia article for strontium sulfate, it dissolves appreciably well in alkali me ...
9-6-2011 at 04:45
by: LanthanumK
LED Dangers - Unbelievable Paranoia!
Back to the topic: I think As-containing LEDs are unnecessary for most applications. A look into the ...
9-6-2011 at 04:41
by: LanthanumK
AgNO3 Yields/ synthesis
Trying making smaller batches of expensive compounds like silver salts and using smaller amounts in ...
9-6-2011 at 03:08
by: LanthanumK
Pest Control?
Use the sulfur-burning idea as a last resort.
9-6-2011 at 03:03
by: LanthanumK
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