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Different molecular sieves question
4A sieves are cheaper because 3A sieves are made from 4A sieves.
21-7-2021 at 11:19
by: Tsjerk
Science Madness Mug
Running a forum as this isn't expensive, you just have to pay for the server to run. If Polverone ne ...
20-7-2021 at 09:33
by: Tsjerk
Science Madness Mug
Well, for next time; in capitalistic economies all prices are inflated. Otherwise there would be no ...
19-7-2021 at 12:53
by: Tsjerk
Science Madness Mug
You could have just said you were making a profit, and if there was anyone who thought they could do ...
17-7-2021 at 14:37
by: Tsjerk
Puryfiing 99% denatured alcohol
Good idea to pick up a rig like that! I would start the drying with magnesium sulfate, you can disti ...
17-7-2021 at 14:29
by: Tsjerk
Science Madness Mug
I didn't post it, but while posting last time I typed a long story about not asking people about the ...
17-7-2021 at 14:12
by: Tsjerk
call for participation: modernizing SM forum software
First Polverone has to turn up, I send him some private messages when I found out about this 1.9.12 ...
16-7-2021 at 11:47
by: Tsjerk
Science Madness Mug
[rquote=662933&tid=157715&author=Oxy]
If it will be used as a way to get funds for maintena ...
16-7-2021 at 10:27
by: Tsjerk
Puryfiing 99% denatured alcohol
I heard moonshining is big in Scandinavian countries, I don't know how they call the process, but th ...
13-7-2021 at 11:44
by: Tsjerk
Puryfiing 99% denatured alcohol
In the end, the purpose of denaturing alcohol is indeed not to make it undrinkable, the goal is to n ...
13-7-2021 at 09:07
by: Tsjerk
Puryfiing 99% denatured alcohol
It does make any illicit liquor produced with it easily detectable.
11-7-2021 at 06:38
by: Tsjerk
Puryfiing 99% denatured alcohol
[rquote=662655&tid=157689&author=Schleimsäure]
Sometimes you need pure EtOH. Also isn't it ...
10-7-2021 at 16:44
by: Tsjerk
Distilling Sulfuric Acid
Wouldn't it be safer to just stay away from the distillation while hot, instead of making yourself u ...
9-7-2021 at 11:53
by: Tsjerk
Puryfiing 99% denatured alcohol
What do you need the IPA seperated for? It should be fine for most purposes.
9-7-2021 at 11:46
by: Tsjerk
Easiest / Single Multi-Purpose Dessicant?
Nice representation of the different hydrates of sulfuric acid:

[url=https://www.google.com/searc ...
8-7-2021 at 12:05
by: Tsjerk
Easiest / Single Multi-Purpose Dessicant?
Magnesium sulfate works for about anything where the last 0.01% of water isn't a problem. And you ca ...
7-7-2021 at 10:57
by: Tsjerk
Educated / Experienced Estimation of Expected Recrystalization Exclusion Rate Towards Metal Compounds
Very important is the rate of crystallization and the nature of the compound to exclude. With a slow ...
6-7-2021 at 21:39
by: Tsjerk
Production of butyric acid acid and butanol by fermentation
I didn't read carefully, but I was under the impression the fermentation is done by Clostridium, so ...
30-6-2021 at 11:43
by: Tsjerk
Production of butyric acid acid and butanol by fermentation
Clostridium forms spores which survive pasteurization, and practically all potatoes are contaminated ...
29-6-2021 at 23:29
by: Tsjerk
oil from unknown algae, arachidonic acid
16S ribosomal DNA sequencing is the first thing that comes to mind, it is normally used to determine ...
27-6-2021 at 03:41
by: Tsjerk
Is diphosphorus pentoxide hygroscopic?
No, it would be P2O5(n).
19-6-2021 at 12:47
by: Tsjerk
Is diphosphorus pentoxide hygroscopic?
Hygroscopicity is a physical property which happens via absorption or adsorption, so P2O5 (P4O10) ca ...
19-6-2021 at 11:48
by: Tsjerk
Chemicals & Glassware for Sale - Price Drop
I have a 15 year old 500 ml bottle of benzaldehyde with only very little left. It was opened dozens ...
19-6-2021 at 11:23
by: Tsjerk
Can you train your immune cells outside of your body?
There are some weak spots in your idea. I wonder how you imagine the immunity getting from "source" ...
3-6-2021 at 12:38
by: Tsjerk
Can you train your immune cells outside of your body?
The process of gaining immunity against something is quite complicated, and relies on many different ...
31-5-2021 at 14:04
by: Tsjerk
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