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Peroxide formation risk?
A Bayer-Villiger reaction asks to use acetic acid, perborate and acetone as a reaction mixture. I wa ... |
29-11-2020 at 15:03
by: Refinery |
Some scientific journal paywalls have been removed
The most interesting and useful info is usually kept as a business secret, sadly.
But for the DOI ... |
23-7-2020 at 00:22
by: Refinery |
DIY Heating mantle
Of course the concept is to enclose the flask inside the mantle so when heat is generated, it mostly ... |
23-7-2020 at 00:20
by: Refinery |
Makeshift way of routing sulfur dioxide/gasses?
- Metal can for burning it
- Air pump for feeding air
- Hosing
- Trash bag for collecting it
- U ... |
23-7-2020 at 00:15
by: Refinery |
DIY Heating mantle
I personally would minimize the thermal mass of the mantle. Heating time rises, there will be hotspo ... |
22-7-2020 at 08:05
by: Refinery |
How to concentrate formic acid?
How can formic acid be concentrated? Its bp is same as water. Distilling from H2SO4? Drying with som ... |
22-7-2020 at 00:04
by: Refinery |
Blending vs grinding materials?
Dusting is absolutely true. When opening the blender can, a very fine, persistent cloud of dust alwa ... |
20-7-2020 at 10:39
by: Refinery |
Refluxing Calcium nitrate (with some NH4NO3) with Ca(OH)2 - how long should this take?
I made ammonia solution with urea, NaOH and water and it took a good two hours until the bubble evol ... |
20-7-2020 at 10:34
by: Refinery |
What mechanism typically stops a gas evolving reaction reaching "infinite" pressure?
The most high pressure cartridges produce over 6000 bars of peak and the wall thickness is way less ... |
20-7-2020 at 10:27
by: Refinery |
Blending vs grinding materials?
Does blending damage solids? Many processes describe to grind stuff in mortar or otherwise, but I ha ... |
20-7-2020 at 10:21
by: Refinery |
What mechanism typically stops a gas evolving reaction reaching "infinite" pressure?
There was this test at the beginning of 20th century where a very thick walled reactor was used to c ... |
20-7-2020 at 03:58
by: Refinery |
Common chemicals that are suspicious and vice versa
We all agree that cooking drugs is off-limits here and few share sympathy for someone getting busted ... |
19-7-2020 at 13:20
by: Refinery |
Common chemicals that are suspicious and vice versa
I was looking through different suppliers' catalogues and they offer a huge array of reagents. Anyon ... |
19-7-2020 at 12:14
by: Refinery |
Drying CaCl2?
It doesn't appear to be a problem if it is dried in thin enough sheets (2-3mm thick) in wide oven pa ... |
17-7-2020 at 13:29
by: Refinery |
European Sulfuric Acid Ban
[rquote=640913&tid=155798&author=BJ68]VAT-Number is not enough...
bj68[/rquote]
Afaik ... |
17-7-2020 at 06:49
by: Refinery |
European Sulfuric Acid Ban
Like Nurdrage said about chlorate cell, you could make things much more rigid, but that'd pay off on ... |
16-7-2020 at 09:45
by: Refinery |
Graduates these days...
Boy I have always wanted a tungsten bike. |
15-7-2020 at 13:00
by: Refinery |
European Sulfuric Acid Ban
Gun politics do effect gun violence. I hear two statements all the time:
- Any person can easily ... |
15-7-2020 at 12:16
by: Refinery |
Using reactor flasks as desiccators?
Just out of interest, what are reactors good/better than ordinary flasks or similar vessels of size? ... |
15-7-2020 at 12:00
by: Refinery |
Vacuum glass implosion?
I think implosion is not just a nuisance merely a joke, but absolute catastrophe that can put life i ... |
15-7-2020 at 10:16
by: Refinery |
Graduates these days...
On the other hand it is a fact that modern world needs experts that master a very narrow area of kno ... |
15-7-2020 at 09:30
by: Refinery |
European Sulfuric Acid Ban
There's that exact issue. It's us civilized people who can behave and we could have otc everything a ... |
15-7-2020 at 09:17
by: Refinery |
European Sulfuric Acid Ban
Laws have seldom to do with realities.
The business type is only for registration purposes, but n ... |
15-7-2020 at 08:19
by: Refinery |
European Sulfuric Acid Ban
When I contacted the chemical safety authority, they were concerned about quantities that need repor ... |
15-7-2020 at 04:19
by: Refinery |
Vacuum glass implosion?
I was scared when I saw Nurdrage used erlenmeyers for vacuum distillation.
Aren't erlenmeyers uns ... |
15-7-2020 at 04:11
by: Refinery |
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