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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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