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A simple macroscale acetylation: N-acetylglycine (video)
If Orgsyn says so, I immediately believe you made acetyl glycine, apparently the acetylation can com ...
19-10-2021 at 00:41
by: Tsjerk
A simple macroscale acetylation: N-acetylglycine (video)
Haven't you made glycine acetate?

At least the use of acetic anhydride in water is a waste. The a ...
18-10-2021 at 13:57
by: Tsjerk
New Energetic Materials - Current Research
Chlorate goes bad with any acid, even to the extend you shouldn't combine sulfur and chlorate. Impur ...
18-10-2021 at 06:58
by: Tsjerk
Distilled vs Deionized Water
You can even regenerate the resin when you manage to separate the two kinds. They have a different d ...
16-10-2021 at 09:32
by: Tsjerk
Distilled vs Deionized Water
I think that for most cases that ask for dH2O (distilled or deionized) you can use water purified w ...
16-10-2021 at 07:29
by: Tsjerk
Purchase of sodium bromide
[rquote=666240&tid=20401&author=Keras]In Europe, you can buy NaBr from [url=https://www.labo ...
15-10-2021 at 07:39
by: Tsjerk
Storage of MEK
I noticed the bottle (HDPE, PE or PP, will check later) my MEK is stored in has deformed because of ...
15-10-2021 at 07:31
by: Tsjerk
Distilled vs Deionized Water
In microbiology MilliQ water is the standard, which is deionized water, and has a resistance of arou ...
15-10-2021 at 07:15
by: Tsjerk
Concentrating hydrobromic acid higher than the azeotrope?
@keras: when you distill an azeotropic solution, you can't selectively condense water from the vapor ...
14-10-2021 at 23:23
by: Tsjerk
A Beginner Microscope
Everything beyond 100x is useless, 200x doesn't have to be bad but it doesn't make sense as the diff ...
13-10-2021 at 23:07
by: Tsjerk
Sodium chloride and sodium nitrate seperation.
[rquote=666159&tid=158002&author=danieldavies]Ratio is around 10/1. So 10% sodium contaminat ...
13-10-2021 at 13:05
by: Tsjerk
Curious glass electrical conduction effect
There was a sticky made not too long ago about checking stress in glass. Maybe you have the means to ...
13-10-2021 at 12:56
by: Tsjerk
Ohaus again (balances and hotplates)
Nice thermometer!

Gravity isn't programmed into scales as they are calibrated against a calibrati ...
13-10-2021 at 12:00
by: Tsjerk
Sodium chloride and sodium nitrate seperation.
[rquote=666169&tid=158002&author=Fulmen]Wouldn't the common ion effect work to our advantage ...
13-10-2021 at 11:28
by: Tsjerk
CBD as a chemotherapy agent (split from CBD solubility in organic solvents)
That are some impressive doses :) what is that? 1000x normal dose? I really don't know anything abou ...
12-10-2021 at 14:17
by: Tsjerk
Sodium chloride and sodium nitrate seperation.
[rquote=666118&tid=158002&author=danieldavies]Are you saying any HCl contamination will gas ...
12-10-2021 at 14:01
by: Tsjerk
Stereochemistry of the ibogaloid catharanthine
The first doesn't show stereochemistry, only the lines that are darker (broader) show a group is poi ...
12-10-2021 at 13:37
by: Tsjerk
cleaning heating mantle after spill?
Methanol doesn't contain MEK, as it doesn't need to be denatured.

You probably used enough solven ...
12-10-2021 at 11:00
by: Tsjerk
CBD as a chemotherapy agent (split from CBD solubility in organic solvents)
@macckone: I don't see why toxicity and therapeutic range are relevant for a discussion about solubi ...
12-10-2021 at 10:51
by: Tsjerk
Purifying Canadian tire Heptane
Did the people recommending this procedure do any GC or MS on the "heptane"? I don't think so. The p ...
10-10-2021 at 13:13
by: Tsjerk
Purifying Canadian tire Heptane
Nice to see some photos!

@S.C. Wack: It is super technical grade, probably some sulfur containin ...
10-10-2021 at 12:26
by: Tsjerk
Purifying Canadian tire Heptane
Yes, the procedure produces toluenesulfonic acid as a side product, which is a nice to have. The rea ...
10-10-2021 at 05:55
by: Tsjerk
Hexamine tablet extraction - what happened?
I was referring to the post of Monoamine.
9-10-2021 at 23:11
by: Tsjerk
Purifying Canadian tire Heptane
With toluene, I used reflux as the procedure seems to take a long time, maybe the color gets darker ...
9-10-2021 at 11:59
by: Tsjerk
Purifying Canadian tire Heptane
You could have a look at how toluene is cleaned with sulfuric acid, this is done by refluxing. I don ...
9-10-2021 at 08:12
by: Tsjerk
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