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D'oh
My dad used to use a RBf full of water as a cigarette lighter (in Kenya in about 1960) where sunligh ... |
22-3-2016 at 13:25
by: unionised |
Mescaline by aminoethylation of pyrogallol
Once you deprotonate any of the hydroxyls, you create a phenoxide ion; that's going to attack the a ... |
21-3-2016 at 12:09
by: unionised |
Help! Frozen joint. I think due to NaOH crystals.
[rquote=442563&tid=65662&author=alking]
Do strong alkali solutions typically cause this [ ... |
20-3-2016 at 13:04
by: unionised |
Lab Gas Mask under $100 anyone?
Unless you are going to get the mask checked for face fitting then you are actually increasing your ... |
20-3-2016 at 02:14
by: unionised |
Mescaline by aminoethylation of pyrogallol
Did anyone think about methylating first, then there's no hydroxy groups left to act as a competing ... |
19-3-2016 at 12:49
by: unionised |
Mescaline by aminoethylation of pyrogallol
Just how stable is chloro ethanamine in the first place?
If you dissolve pyrogallol in a base it ... |
17-3-2016 at 11:53
by: unionised |
Cleaning dishes with NaOH
Among the differences is that I can buy caustic fairly cheaply from the supermarket.
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13-3-2016 at 11:33
by: unionised |
Mystery Glassware Identification Thread
If you are waving a magnet around, you can see if the feedthroughs are magnetic.
Dumet is; platinum ... |
13-3-2016 at 08:42
by: unionised |
Cleaning dishes with NaOH
[rquote=441657&tid=65588&author=Mabus]Using NaOH to clean your dishes is not a good idea mai ... |
13-3-2016 at 05:35
by: unionised |
Mystery Glassware Identification Thread
Among other things, I think you have an ionization gauge for measuring pressure, and (in the 1st pic ... |
13-3-2016 at 03:04
by: unionised |
Cleaning dishes with NaOH
[rquote=441642&tid=65588&author=MeshPL]So... It may seem that vast chemistry knowledge may b ... |
13-3-2016 at 02:50
by: unionised |
Citric acid + Sodium bicarbonate
True, but any unburned materials might mess up the plants. For example,ethylene is a trace component ... |
28-2-2016 at 10:26
by: unionised |
Citric acid + Sodium bicarbonate
Assuming I have got the arithmetic right, 342 grams of sugar will cost about £0.20 and will ferment ... |
28-2-2016 at 06:37
by: unionised |
Metallic glue
[rquote=437073&tid=65164&author=Theoretic]"... and galium on the other.
[Edited on 29-1- ... |
28-2-2016 at 02:28
by: unionised |
Chemicals for crystal growing
Well, that took about 40 years...
About 40 years ago my grandmother told me about this, but her rec ... |
21-2-2016 at 11:41
by: unionised |
titration of formaldehyde
I'm pretty sure that the video is wrong. It should be sodium sulphite.
The mass taken is exactly ha ... |
21-2-2016 at 02:43
by: unionised |
What to do with a barrel of bleach
[rquote=439275&tid=65346&author=ave369][rquote=439225&tid=65346&author=BromicAcid]
... |
21-2-2016 at 02:28
by: unionised |
What shall I do with an old pressure cooker ?
Just as long as you don't take it to a marathon...
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15-2-2016 at 12:47
by: unionised |
When Chemistry Goes Wrong
[rquote=438875&tid=63645&author=Starcruiser]Casting zinc in a plaster mold some couple of da ... |
14-2-2016 at 08:06
by: unionised |
CO analysis
Yes
https://en.wikipedia.org/wiki/Iodine_pentoxide
and there are also machines that measure it. |
2-2-2016 at 11:16
by: unionised |
where to find nickel
I know you are not in the eurozone, but the euro coins have nickel in them. |
30-1-2016 at 11:19
by: unionised |
Metallic glue
OK, but the comment I would have made was "are you aware of liquid metal embrittlement?".
I rather ... |
30-1-2016 at 10:55
by: unionised |
Metallic glue
https://en.wikipedia.org/wiki/Liquid_metal_embrittlement |
29-1-2016 at 11:06
by: unionised |
Caffeine breakdown?
[rquote=436272&tid=65110&author=Antiswat]not specifically for chemistry purposes, but i have ... |
23-1-2016 at 05:39
by: unionised |
Chemicals for crystal growing
[rquote=435819&tid=64907&author=crystal grower][rquote=435738&tid=64907&author=Velze ... |
19-1-2016 at 13:18
by: unionised |
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