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bis methylthio methane
Oddly, while they will think it's a gas leak the real problem may be the bis cme from the HCl and HC ... |
23-6-2014 at 10:51
by: unionised |
bis methylthio methane
Easy enough in principle
http://en.wikipedia.org/wiki/2,4-Dithiapentane
profoundly stinky in pract ... |
22-6-2014 at 12:43
by: unionised |
Ferricyanide test for ferrous ions
[rquote=335250&tid=30847&author=blogfast25]
I'm not sure it can reduce ferricyanide to fer ... |
21-6-2014 at 05:27
by: unionised |
Ferricyanide test for ferrous ions
I think that hydrogen peroxide will reduce ferricyanide to ferrocyanide in some circumstances.
(It' ... |
21-6-2014 at 03:26
by: unionised |
Cobalt complex with hydrogen peroxide and EDTA?
Reminds me of this reaction
http://www.rsc.org/Education/EiC/issues/2005July/Exhibitionchemistry.as ... |
20-6-2014 at 05:38
by: unionised |
Oxalate complexes
Does this help?
http://scripts.iucr.org/cgi-bin/paper?S0567740877009819
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15-6-2014 at 11:13
by: unionised |
Extraction of Lycopene
Lycopene is far too big and heavy to be volatile enough to smell. The odour must be due to impuritie ... |
15-6-2014 at 01:43
by: unionised |
Can we convert non food grade reagents into food grade using crystallization only
[rquote=334191&tid=30588&author=acetone]
"Can you purify non food grade materials into ... |
12-6-2014 at 11:58
by: unionised |
Can we convert non food grade reagents into food grade using crystallization only
The difficult question is not
"how do I purify this to make it food grade" but
"how do[i] I know ... |
11-6-2014 at 11:40
by: unionised |
Glass adapter pieces to put a flask under pressure?
[rquote=333174&tid=30466&author=JefferyH]That is precisely what I am testing, the idea that ... |
5-6-2014 at 11:27
by: unionised |
Glass adapter pieces to put a flask under pressure?
"Maybe I am over exaggerating how much the reaction would be influenced, but all these factors are i ... |
4-6-2014 at 11:10
by: unionised |
Infra red blocking chemicals
I realise this isn't a very "scientific" question, but how much can you dilute the aqueous copper so ... |
2-6-2014 at 12:52
by: unionised |
Glass adapter pieces to put a flask under pressure?
[rquote=332839&tid=30466&author=Muffn Man]"Pressure cookers are typically rated for 15 PSI, ... |
31-5-2014 at 13:06
by: unionised |
Glass adapter pieces to put a flask under pressure?
Pressure cookers are typically rated for 15 PSI, not 40. |
31-5-2014 at 11:32
by: unionised |
Glass adapter pieces to put a flask under pressure?
" Lab grade borrosilicate glass is generally considered to withstand 100 PSI. "
No.
It is not.
Do ... |
31-5-2014 at 03:03
by: unionised |
gas phase reduction of ag2o
Just a thought, but the tarnish that forms on silver isn't usually the oxide so this bit of the OP i ... |
31-5-2014 at 02:48
by: unionised |
Test for genuine Turquoise?
If I'm reading things correctly, unhardened mild steel will scratch howlite but not turquoise.
If ... |
29-5-2014 at 11:01
by: unionised |
Real exploding foam demonstration
What I'm concerned about is that a mixture of fuel and peroxide might ignite/ detonate if dropped on ... |
26-5-2014 at 11:37
by: unionised |
Real exploding foam demonstration
It's perfectly possible to get foams to burn. That was never in dispute so it's hardly moot.
But ... |
26-5-2014 at 11:07
by: unionised |
Real exploding foam demonstration
How does the flame get from one bubble to the next? |
26-5-2014 at 10:54
by: unionised |
Real exploding foam demonstration
If there's enough water to stop it being bloody dangerous, then there's enough water to stop the foa ... |
26-5-2014 at 10:49
by: unionised |
Real exploding foam demonstration
A bit of thought suggests that if "10:90 mix is close to optimal for a ethanol / 50% hydrogen peroxi ... |
26-5-2014 at 10:36
by: unionised |
Desktop Spectrometry Kit
I'm tempted to get one just for the software + compatible camera. |
26-5-2014 at 06:46
by: unionised |
Building a polarimeter
This is probably a stupid question, but can you easily see the light that gets through the cell?
If ... |
23-5-2014 at 09:42
by: unionised |
Chloroform Odessa
Chloroform has a strong, characteristic odour.
Are there reports of people smelling chloroform ther ... |
21-5-2014 at 11:13
by: unionised |
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