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Black Pepper Extraction results!
Ok, I extracted the result by distilling off acetone and adding 500mL MeOH which into 93g of NaOH wa ...
27-1-2021 at 02:47
by: Fyndium
Does methanol smell like anything to you?
How much precautions do you take when handling methanol, compared to other relatively safe liquids l ...
27-1-2021 at 02:31
by: Fyndium
How to clamp large flasks?
I realized that when going into larger flasks (4L, 6L, 10L, etc), the weight of them gets very large ...
27-1-2021 at 02:04
by: Fyndium
New information For UK chemists
Has this changed recently? Any news?

One way to get the "secret list" is to establish a company a ...
27-1-2021 at 01:51
by: Fyndium
Mysterious chinese glassware sellers
Old topic, but still strong. My experiences from different vendors, having ordered thousands worth o ...
26-1-2021 at 20:23
by: Fyndium
Fan Convention of amature chemistry? Mad Science Convention
[rquote=650689&tid=156694&author=j_sum1]I like the concept although I have no idea what it m ...
25-1-2021 at 09:34
by: Fyndium
Klean Strip MEK discontinued?
The old saying goes: if it is banned, there must be a reason for that. Something boring becomes much ...
25-1-2021 at 09:32
by: Fyndium
Does methanol smell like anything to you?
Just handled methanol for solvent with NaOH. As it heats, it smells like formaldehyde to me. Put a s ...
25-1-2021 at 07:53
by: Fyndium
The POTENCY of carcinogens.
Closed apparatus means behind a water lock or some other dynamic phase barrier, like I described. No ...
25-1-2021 at 06:22
by: Fyndium
The simplest preparation of sulfuric acid?!
Methylated spirit aka denatured ethanol tends to contain nil to a LOT of additives, depending on sou ...
25-1-2021 at 05:59
by: Fyndium
The POTENCY of carcinogens.
Everything that is not either having water as only volatile compound or the volume of harmless liqui ...
25-1-2021 at 03:23
by: Fyndium
KCl or KHCO3 / K2CO3 from KNO3
For me there are two sources for it: brewery which sells it for 10€/kg and fertilizer which sells ...
25-1-2021 at 03:13
by: Fyndium
Klean Strip MEK discontinued?
Some of those are somewhat too common to be considered critical precursors. I understand that stuff ...
24-1-2021 at 12:43
by: Fyndium
Lamp work - hollow glass sphere
[rquote=652497&tid=156845&author=densest]
Working boro on a bunsen burner is marginal. Prop ...
24-1-2021 at 10:52
by: Fyndium
Freeze drying question
You freeze them, then you apply vacuum to them for the water to sublime away.

https://www.youtube ...
24-1-2021 at 10:40
by: Fyndium
Klean Strip MEK discontinued?
$60 for a gallon ain't bad, unless you plan on using it as a large scale solvent. Prices for me are ...
24-1-2021 at 10:35
by: Fyndium
Calcium Ammonium Nitrate to Sodium Nitrate to Nitric Acid
Hence it's usually mixed with ammonium sulfate, which crashes out CaSO4. The mixture msds I checked ...
24-1-2021 at 07:29
by: Fyndium
Calcium Ammonium Nitrate to Sodium Nitrate to Nitric Acid
Ah, I'm not aiming for HNO3. I have plethora of methods for that, and it is pretty much just mix sul ...
24-1-2021 at 06:19
by: Fyndium
Black Pepper Extraction results!
What do you mean by hardening?

EDIT: It's not even brown anymore, after 2.2kg of black pepper it' ...
24-1-2021 at 06:14
by: Fyndium
Calcium Ammonium Nitrate to Sodium Nitrate to Nitric Acid
Please explain me, because I'm just too stupid to figure it out. Is calcium ammonium nitrate a mixtu ...
23-1-2021 at 11:05
by: Fyndium
40% HNO3 and 60-81% H3PO4 in growers/hydroponics/gardeners eshops
There are various products that may contain above treshold limits of precursors, because the produce ...
23-1-2021 at 10:26
by: Fyndium
Soxhlet uses for extracting compounds?
I would be counter-productive to attempt to purify higly volatile materials like that. They'd just r ...
23-1-2021 at 09:43
by: Fyndium
Black Pepper Extraction results!
For me it's opportunism. White pepper is currently much more expensive than black. In general the pr ...
23-1-2021 at 06:01
by: Fyndium
Propionyl chloride with cyanuric chloride and anger
Interesting. Could you detail the process a little?
22-1-2021 at 21:24
by: Fyndium
Black Pepper Extraction results!
I wonder why there is no solubility data of piperine in acetone? It should be a good general solvent ...
22-1-2021 at 13:00
by: Fyndium
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