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Micro vacuum pumps?
I distilled 194C BP stuff at 104C which indicates 70mbar vacuum with pump. Apparently the system was ... |
2-8-2020 at 11:56
by: Fyndium |
Micro vacuum pumps?
Do small, micro scale vacuum pumps exist that have capacity of few hundred milliliters to up to a fe ... |
2-8-2020 at 11:18
by: Fyndium |
Heavy wall glass
I will proof it to high vacuum by wrapping it in stretch wrap and most likely every time I use it be ... |
2-8-2020 at 10:38
by: Fyndium |
Heavy wall glass
Please note that these are not cracks or breaks but more like casting marks. |
2-8-2020 at 09:34
by: Fyndium |
Chromatography applications?
What is the best way to learn about chromatography basics and further? Could it be useful for amateu ... |
2-8-2020 at 07:41
by: Fyndium |
Heavy wall glass
I received a chinese desiccator recently. I suppose the small inclusions and casting errors do not m ... |
2-8-2020 at 07:14
by: Fyndium |
Homemade and Repurposed Lab Gear
Using fuel primer hand pump to vacuum filtering. |
31-7-2020 at 01:06
by: Fyndium |
Disposal of solvents
I recycle all solvents I reasonably can. I collect different solvents in their own containers, like ... |
31-7-2020 at 01:00
by: Fyndium |
Chemical synthesis through the timeline of chemistry
I've always wondered did they master the art of glassware making, distillation and other things back ... |
31-7-2020 at 00:52
by: Fyndium |
Nitric acid
It's intended to make the lowlife thugs lifes difficult. I don't know how many child blow up their h ... |
31-7-2020 at 00:49
by: Fyndium |
Hydroxychloroquine, could an amateur make this stuff ?
As a project? Possibly.
As a medicine for the C? Nope.
Home-brewed medication, if synthesized ... |
30-7-2020 at 08:40
by: Fyndium |
SmCo stir bars worth it?
Me three. Got a paddle and few different sizes of PTFE joint bearings. They should also allow vacuum ... |
30-7-2020 at 08:27
by: Fyndium |
Why are there a handful of businesses in the USA that reship to residences, but the vast majority don't?
One thing for running a chemical store in residential address is storing hazardous materials. For ho ... |
29-7-2020 at 21:38
by: Fyndium |
Removing denaturing agents from alcohol
So the NaOH method does work? It seems like the most straightforward method in this instance.
Act ... |
29-7-2020 at 21:06
by: Fyndium |
Very dizzy after melting sulfur - what happened?
It could also be a coincidence. I have experienced dizziness, headache and other common symptoms man ... |
29-7-2020 at 12:09
by: Fyndium |
Very dizzy after melting sulfur - what happened?
As far as I know, you get numbed to hydrogen sulfide odor very quickly so there could be a possibili ... |
29-7-2020 at 09:38
by: Fyndium |
Purifying ammonium sulfate fert
Bentonite slurried with blender is an excellent suspension clarifier. I have used it in many instanc ... |
29-7-2020 at 09:35
by: Fyndium |
Harbor freight Air Mover / Blower
Just as a thought, the fan could be excluded when handling extremely flammable stuff like flammable ... |
29-7-2020 at 09:21
by: Fyndium |
Removing denaturing agents from alcohol
Could MEK as a ketone be removed with bisulfite adduct? If there is 2% of it or 20 grams per liter, ... |
29-7-2020 at 09:18
by: Fyndium |
Solubility in two immiscible solvents?
Now it would make more sense that the washing solvent has much higher solubility for the solute than ... |
29-7-2020 at 09:08
by: Fyndium |
Solubility in two immiscible solvents?
Ah, finally some actual numbers. Thanks! |
29-7-2020 at 01:06
by: Fyndium |
Nitric acid
In UK acids are restricted because of acid attacks by all kinds of gangs.
I think it's great to h ... |
29-7-2020 at 00:52
by: Fyndium |
Harbor freight Air Mover / Blower
According to this source,
https://www.acinfinity.com/blog/the-differences-between-inline-duct-fan ... |
28-7-2020 at 14:58
by: Fyndium |
Solubility in two immiscible solvents?
Sounds good. How about washing the solvent with multiple smaller batches in order to always introduc ... |
28-7-2020 at 12:33
by: Fyndium |
Activated carbon extraction?
The carbon was first washed and then boiled in water for half an hour prior to oven and that should ... |
28-7-2020 at 05:04
by: Fyndium |
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