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How come amines only form salts with the H+ cation?
Hydrogen cation needs only 2 electrons to fill its 1s orbital and it exist in solution as H3O+ ions. ... |
6-8-2020 at 04:54
by: outer_limits |
Micro vacuum pumps?
Maybe it's those aspirators capacity. My aspirator connected to the tap is pulling enough to boil wa ... |
2-8-2020 at 11:43
by: outer_limits |
Heavy wall glass
I wouldn't use it with vacuum still, I would rather contact the supplier and try to get another one ... |
2-8-2020 at 10:28
by: outer_limits |
Heavy wall glass
I wouldn't apply vacuum to a vessel that has visible glass breaks
[Edited on 2-8-2020 by outer_limi ... |
2-8-2020 at 08:29
by: outer_limits |
Very dizzy after melting sulfur - what happened?
Draeger mentioned a smell of rotten eggs, so it's quite characteristic for H2S |
30-7-2020 at 03:46
by: outer_limits |
Very dizzy after melting sulfur - what happened?
H2S is very toxic. If you can smell it you never know what is the actual concentration. It's not lik ... |
30-7-2020 at 00:26
by: outer_limits |
Solubility in two immiscible solvents?
[rquote=641571&tid=155879&author=Fyndium]If we have a substance that is dissolved in a polar ... |
27-7-2020 at 21:50
by: outer_limits |
Explaining your chemistry hobby
[rquote=641399&tid=155811&author=karlos³]I explained to him that it was a three step proces ... |
25-7-2020 at 23:13
by: outer_limits |
Explaining your chemistry hobby
Average people can understand why somebody likes parachuting, downhill, extreme sports. Adrenaline i ... |
25-7-2020 at 00:27
by: outer_limits |
Oily layer in HNO3 distilled from bisulphate and nitrate?
If your entire apparatus was made of glass with ground glass joint I would say that it could be grea ... |
24-7-2020 at 12:17
by: outer_limits |
New chemicals for sale !
Another transaction with Mario - 10/10 |
22-7-2020 at 04:50
by: outer_limits |
Resonance between reagents?
[rquote=641195&tid=155842&author=ThoughtsIControl]Let me rephrase my question.
In compoun ... |
21-7-2020 at 20:22
by: outer_limits |
Vacuum glass implosion?
[rquote=640895&tid=155522&author=SWIM]
If you actually believe you can't heat a thick walle ... |
17-7-2020 at 14:40
by: outer_limits |
European Sulfuric Acid Ban
But still, well organized groups won't have any problems with manufacturing explosives.
Affected ... |
17-7-2020 at 01:22
by: outer_limits |
European Sulfuric Acid Ban
[rquote=640829&tid=155798&author=Fulmen]
Of course it will. Banning a precursor might not m ... |
16-7-2020 at 07:22
by: outer_limits |
European Sulfuric Acid Ban
In my country you can make gun license for sport purposes easily. There are many, many people having ... |
15-7-2020 at 11:43
by: outer_limits |
European Sulfuric Acid Ban
[rquote=640759&tid=155798&author=Refinery]The acid attacks are a great example why OTC sulfu ... |
15-7-2020 at 11:17
by: outer_limits |
Graduates these days...
Today's world have a tendency to specialize.
For example - 20 years ago IT engineer was responsib ... |
15-7-2020 at 10:30
by: outer_limits |
European Sulfuric Acid Ban
Just another stupid regulation which won't change anything for people with bad intentions but will m ... |
15-7-2020 at 07:33
by: outer_limits |
Vacuum glass implosion?
They aren't designed for vacuum. The only erlenmeyers that could be used are filtration flasks which ... |
15-7-2020 at 07:28
by: outer_limits |
Drying Chems without desiccator
According to this: https://www.tandfonline.com/doi/pdf/10.1081/JFP-100108655
Equlibrium in vaccum ... |
15-7-2020 at 07:27
by: outer_limits |
Using reactor flasks as desiccators?
How long do they keep vacuum?
I was considering to buy Chinese one.
They are much cheaper than m ... |
14-7-2020 at 14:12
by: outer_limits |
latest glassware purchase
Each is 100ml. The price was a bit surprising so I've made a small order first and after checking if ... |
14-7-2020 at 13:58
by: outer_limits |
Ways to precipitate sodium ions?
To be honest, sodium ions are harmless for environment in laboratory scale, and I think that you wil ... |
13-7-2020 at 02:33
by: outer_limits |
Lab and insects
Give them names and become friends.
Are you able to protect your lab using mosquito net? It is che ... |
10-7-2020 at 09:52
by: outer_limits |
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