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What is this Chemical?
Wow, I was oblivious of urea's endothermic reaction with water.
I have only studied it from theo ... |
5-8-2016 at 00:21
by: Metallus |
Mystery Glassware Identification Thread
[rquote=456894&tid=31602&author=Sulaiman]are they holes? (not clear on my laptop)
could be ... |
4-8-2016 at 08:26
by: Metallus |
What is this Chemical?
It really sounds like ammonium nitrate to me. In acid KMnO[sub]4[/sub] it decomposes to release wate ... |
4-8-2016 at 06:10
by: Metallus |
Mystery Glassware Identification Thread
[rquote=456884&tid=31602&author=Sulaiman]it could just be a dH[sub]2[/sub]O still,
water in ... |
4-8-2016 at 05:55
by: Metallus |
What is this Chemical?
[rquote=456886&tid=67221&author=TheMrbunGee][rquote=456877&tid=67221&author=Metallus ... |
4-8-2016 at 05:09
by: Metallus |
What is this Chemical?
I would have said NH[sub]4[/sub]NO[sub]3[/sub] but some non-reactions leave me wondering.
I'll g ... |
4-8-2016 at 03:19
by: Metallus |
Mystery Glassware Identification Thread
I found this glassware in the place where I work. I asked everyone who worked in that lab, but noone ... |
4-8-2016 at 00:59
by: Metallus |
What is this Chemical?
You can rule out bisulphate by reacting it with a solution of sodium carbonate; the evolution of CO[ ... |
3-8-2016 at 07:41
by: Metallus |
Chemicals sources from everyday's life
Is there a way to edit the main post? I'd like to update it everytime with all the compounds and the ... |
3-8-2016 at 06:23
by: Metallus |
What is this Chemical?
Probably they were used as food additives, as all of them (sodium sulfate, bisulfate, metabisulfite, ... |
3-8-2016 at 05:15
by: Metallus |
What is this Chemical?
So, to sum up:
- Sodium molybdate:
1) 84g/100ml solubility at 100°C (yours was approx 80g/100ml ... |
3-8-2016 at 00:24
by: Metallus |
What is this Chemical?
[rquote=456683&tid=67221&author=TheMrbunGee][rquote=456674&tid=67221&author=Metallus ... |
2-8-2016 at 10:06
by: Metallus |
What is this Chemical?
Reduction of molybdates should yield molybdenum blue, but I can't understand well the yellow part. A ... |
2-8-2016 at 08:33
by: Metallus |
What is this Chemical?
[quote]You might be on to something! I added sodium phosphate and nitric acid to the salt and got ni ... |
1-8-2016 at 23:11
by: Metallus |
Chemicals sources from everyday's life
[quote]
Nitrate only tends to effloresce on the walls of old catacombs or deep cellars built into s ... |
1-8-2016 at 15:56
by: Metallus |
Chemicals sources from everyday's life
The other day I was at a friend's house and while we were fooling around in their big house, I notic ... |
1-8-2016 at 05:57
by: Metallus |
What is this Chemical?
[rquote=456535&tid=67221&author=Neme]I think he said it's inorganic.[/rquote]
You are right ... |
1-8-2016 at 04:57
by: Metallus |
What is this Chemical?
"snip"
Is it soluble in Ethanol?
[Edited on 1-8-2016 by Metallus] |
1-8-2016 at 02:05
by: Metallus |
X-Ray diffraction questions
Didn't know where to post this
Most of these questions sound very basic in nature and the answers ... |
15-6-2016 at 06:38
by: Metallus |
Unsinkable sieve
[rquote=437098&tid=65095&author=chemrox]be damned careful sonicating porous glass filters. I ... |
5-2-2016 at 09:19
by: Metallus |
Unsinkable sieve
[rquote=436174&tid=65095&author=careysub]It is due to surface tension, and here is a page th ... |
22-1-2016 at 10:01
by: Metallus |
Corundum synthesis
[rquote=436076&tid=65083&author=Brain&Force]Have you looked into the [url=https://en.wik ... |
21-1-2016 at 00:19
by: Metallus |
Unsinkable sieve
Tomorrow I'll try with the dry sieve and then I'll wet it again and try adding some soap and see if ... |
20-1-2016 at 08:34
by: Metallus |
Corundum synthesis
@ DraconicAcid
Go ahead with the wild guesses, maybe we can narrow down what it is. I'll subtly ask ... |
20-1-2016 at 06:01
by: Metallus |
Unsinkable sieve
The other day in lab I was cleaning my sieve with an ultrasound bath, when I noticed that pressing t ... |
20-1-2016 at 05:47
by: Metallus |
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