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What to do with a bottle of 60% HF?
This is not a toy, but of course you are well aware of it. :-) Don't spill it on anything living, if ...
21-5-2019 at 01:55
by: Pumukli
Sulphonation of chlorophenol
"⅔ o- ⅓ p- just for geometrical reasons"

I'm almost sure that the ratio will be different, mo ...
20-5-2019 at 21:34
by: Pumukli
O-methylation in acid
AvBaeyer,

Thanks for the clarification!

Now I have at least a name (Stork) and a keyword (2-na ...
19-5-2019 at 22:12
by: Pumukli
O-methylation in acid
I have accidentally found something at OrgSyn which really intrigued me and I could not explain. I'm ...
19-5-2019 at 07:23
by: Pumukli
Hypothetically drinkable ethanol from methylated spirits
Back to the topic: once I tried dissolving NaOH (a few percent) into the stuff and then added a few ...
17-5-2019 at 03:38
by: Pumukli
Why can't thionyl chloride be used to chlorinate oxalic acid to oxalyl chloride?
First of all I don't know the answer to your question either.

Your negative results are still inf ...
16-5-2019 at 21:01
by: Pumukli
Preparation of Diethyl Sulfate
Congrats Magpie!

It seems that you really produced something. ;)

Now comes the testing/charact ...
16-5-2019 at 20:49
by: Pumukli
Reaction Kinetics
My first thought was "iodometry for hypochlorite". But I remember running a very similar reaction (m ...
16-5-2019 at 12:28
by: Pumukli
Do we need a separtate forum for lab safety and waste treatment?
A bit unrelated, but I second DavidJR's idea on a separate analytical subforum! Sometimes I do class ...
16-5-2019 at 06:00
by: Pumukli
Gas pressure/flow regulator
Yeah, threads, threads...

I checked with Messergas and they say that (in my country at least)

...
16-5-2019 at 03:39
by: Pumukli
Gas pressure/flow regulator
Hm, this "thread converter" seems promising!
I'll check the datasheet of the CO2 regulator when I f ...
16-5-2019 at 02:15
by: Pumukli
Gas pressure/flow regulator
What I found so far (besides used mass flow controllers on Ebay) is CO2 reductors combined with a ne ...
15-5-2019 at 21:04
by: Pumukli
Gas pressure/flow regulator
Thanks for the info on the regulator weekness!

It seems that I should use a needle valve with eit ...
15-5-2019 at 10:44
by: Pumukli
Gas pressure/flow regulator
I've been thinking about building a simple gas chromatograph for org.chem analysis.

I'd use N[sub ...
15-5-2019 at 09:11
by: Pumukli
Hypothetically drinkable ethanol from methylated spirits
In these parts of the globe "methylated spirits" is a misnomer, the actual product doesn't contain m ...
15-5-2019 at 01:51
by: Pumukli
Acetamide toxicity
The general reactivity of acid-derivatives is: halogenide , anhydridie, ester, amide, nitrile.
Ethy ...
14-5-2019 at 11:53
by: Pumukli
ketonic decarboxylation of succinic acid
I doubt it.
I never heard about succinic acid as substrate in such reactions. I think adipic acid i ...
14-5-2019 at 11:43
by: Pumukli
Acetamide toxicity
Yeah, :)

But there are the "nasties", from which you don't expect anything good. E.g. the polycon ...
14-5-2019 at 10:28
by: Pumukli
Chloralose synthesis help
You need equal quantities of the reagents. It doesn't necessarily means equal weights! Correction by ...
14-5-2019 at 09:25
by: Pumukli
Acetamide toxicity
I was very surprised when I first saw in Wikipedia that acetamide (CH[sub]3[/sub]CONH[sub]2[/sub]) i ...
14-5-2019 at 09:09
by: Pumukli
Hypothetically drinkable ethanol from methylated spirits
Great! Please keep us updated on how well/unwell the process really went! I've been working with MEK ...
12-5-2019 at 11:25
by: Pumukli
Septum / thermometer adapter washer
What would you use as a septum / thermometer adapter washer replacement? If you can't get a proper r ...
28-4-2019 at 04:17
by: Pumukli
Ethanol + Urea --> Ethyl carbamate?
Its carcinogenic property may be discovered in 1943 but I do have a pharmaceutical book printed in 1 ...
28-4-2019 at 02:58
by: Pumukli
Idea for making haloalkanes from OTC ingredients?
1., It is OK, you can find the actual recipe for making ethylene in various online posted old org. c ...
24-4-2019 at 21:06
by: Pumukli
How/where to look for org. chem. data?
Thanks for the suggestions!

Getting melting point, boiling point, solubility, etc. data is import ...
21-4-2019 at 08:17
by: Pumukli
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