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Carbon Foam Refractory Made From Bread
[rquote=466077&tid=70570&author=aga][rquote=466074&tid=70570&author=unionised]What h ... |
5-11-2016 at 11:43
by: unionised |
Carbon Foam Refractory Made From Bread
Interesting topic.
It reminds me of my failed attempt to make a sponge from aluminium phosphate.
I ... |
5-11-2016 at 07:18
by: unionised |
Layer Seperation between Acetone and Isopropanol!
"98% Isopropanol (which I gathered from 70% solution by salting out)"
Who says it's 98%?
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4-11-2016 at 16:44
by: unionised |
Carbonate test for neutrons
Adding uranium would complicate things a lot.
https://en.wikipedia.org/wiki/Spontaneous_fission
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3-11-2016 at 14:13
by: unionised |
2,4-DNPH in schools - overreaction
Just a thought... will all the excitement of blowing stuff up on school fields get kids interested i ... |
3-11-2016 at 14:07
by: unionised |
2,4-DNPH in schools - overreaction
[rquote=465755&tid=70619&author=Chemetix]Nothing like having something to justify spending a ... |
2-11-2016 at 13:08
by: unionised |
Anything wrong with this analytical balance?
[rquote=465486&tid=70356&author=Sulaiman]"So, the next question is:
How many people reading ... |
30-10-2016 at 08:05
by: unionised |
Fire, Ashes, Ammonia.
I still think the most likely cause of the smell of ammonia is a local cat claiming ownership. |
30-10-2016 at 06:32
by: unionised |
Anything wrong with this analytical balance?
[rquote=464867&tid=70356&author=Sulaiman]have you budgeted for a suitable callibration weigh ... |
30-10-2016 at 06:17
by: unionised |
beryllium oxide vs aluminum oxide
[rquote=465475&tid=70543&author=Metacelsus][rquote=465443&tid=70543&author=j_sum1]I ... |
30-10-2016 at 05:58
by: unionised |
Fire, Ashes, Ammonia.
[rquote=465460&tid=70538&author=j_sum1]Well if you have correctly identified an ammonia smel ... |
30-10-2016 at 05:51
by: unionised |
beryllium oxide vs aluminum oxide
Topaz should be harder than beryllium oxide, but less hard than alumina.
Why do you want to know? ... |
30-10-2016 at 02:14
by: unionised |
The biggest danger is the ignorance to danger.
There was a similar incident at a waste disposal site in the UK
http://www.icis.com/resources/news/ ... |
30-10-2016 at 02:11
by: unionised |
Long term experiment: does this make chlorosulfonic acid?
Label it carefully.
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29-10-2016 at 13:02
by: unionised |
Fire, Ashes, Ammonia.
Have you been burning magnesium?
https://en.wikipedia.org/wiki/Magnesium_nitride |
29-10-2016 at 13:00
by: unionised |
Ammonia oxydation with copper??!!
I once wanted to make some nitrogen (for an N2 laser).
My plan was to pass air and ammonia over hot ... |
29-10-2016 at 09:34
by: unionised |
Drying organic compounds
[rquote=465376&tid=70333&author=biomechem] In one word is vacuum distillation a good way to ... |
29-10-2016 at 08:09
by: unionised |
Drying organic compounds
[rquote=465307&tid=70333&author=DraconicAcid][rquote=465305&tid=70333&author=biomech ... |
28-10-2016 at 15:50
by: unionised |
Ethyl Acetate Purification
LOL
Did none of you folk spot the obvious answer?
The azeotrope of ethyl acetate (EA) and water se ... |
25-10-2016 at 13:04
by: unionised |
dioxane gunk removal
At a high enough temperature
C + 2 H2SO4 --> CO2 +2SO2+ 2 H2O
(at that temperature you are pr ... |
23-10-2016 at 12:49
by: unionised |
dioxane gunk removal
This sort of thing helps.
http://www.lakeland.co.uk/8949/Magic-Copper-Balls-For-Cleaning-Vases-Bott ... |
23-10-2016 at 11:44
by: unionised |
Drying organic compounds
Vanilin boils at nearly 300C. It would be easy to dry in a desiccator. |
23-10-2016 at 11:38
by: unionised |
Problems with toluidine synthesis
The tin will be "consumed" by the acid. That would happen even if you didn't add any nitrotoluene.
... |
23-10-2016 at 06:55
by: unionised |
Clean ancient coins?
[rquote=464171&tid=69715&author=AJKOER]To quote from the referenced source:
Copper ... shou ... |
18-10-2016 at 05:27
by: unionised |
Clean ancient coins?
[rquote=464082&tid=69715&author=AJKOER]Here is a reference on patina surfaces with suggested ... |
18-10-2016 at 02:36
by: unionised |
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