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Slow high torque electric motors for stirrer?
- not important comment -
This proposed test reminds me my own experiences with affectionate elec ... |
9-2-2018 at 09:49
by: Pumukli |
Yield 136% while making Fe2O3 by electrolysis
"and we get
η = 99.557%
Bit high, but seems fine."
:-)
I admit that I never done this r ... |
7-2-2018 at 00:36
by: Pumukli |
Diethylamine Hydrochloride Synthesis
[rquote=500715&tid=24131&author=sykronizer]If you are desperate or out of reagents there is ... |
30-1-2018 at 06:25
by: Pumukli |
Nitrogen Generator
A year ago I systematically hunted "oldies but goldies" - looking articles from JACS. You can find s ... |
29-1-2018 at 12:33
by: Pumukli |
Not only fish but chicken also can work!
A few days ago one of my friends had bought a few chicken drumsticks at a local store. (Tesco)
At h ... |
9-11-2017 at 06:29
by: Pumukli |
Dimethylamine storage
I've tried eight different acids so far. The results were interesting so I'm planning to run a quick ... |
26-7-2017 at 01:03
by: Pumukli |
Dimethylamine storage
Thanks for the tips guys!
Mentioning "nice crystalls" may misled some of you though!
I think the ... |
21-7-2017 at 11:00
by: Pumukli |
Dimethylamine storage
Dear all,
I would like to save some dimethylamine from wasting as a herbicide component and thoug ... |
16-7-2017 at 08:13
by: Pumukli |
I'm baffled. Light from envelope glue???
Dear All,
It's been quite a while that I posted something (meaningful - some might think? -) but ... |
27-1-2017 at 04:11
by: Pumukli |
Wood ash leaching - results of ~2 gal hardwood - is this normal?
If you like anecdotal "references" then here's mine: I read somewhere that straw ash contains higher ... |
20-10-2016 at 06:59
by: Pumukli |
Platinum wire
I would also be interested if you still had a few centimeters. :-)
|
13-10-2016 at 11:27
by: Pumukli |
Synthesis of malonic acid
And also available as antifreeze for solar systems. (At least in the EU.) Not as cheap as ethylene-g ... |
8-10-2016 at 12:03
by: Pumukli |
Methylation of 1-iodo-2-naphthol
We used dimethylsulfate + aqueous solution of NaOH when made neroline (2-methoxy-naphtalene). The yi ... |
26-6-2016 at 07:57
by: Pumukli |
Reagents for the preparation of acid chlorides: pros and cons
Depending on what sort of acid chloride do you have in mind there may be another route which employ ... |
25-6-2016 at 09:52
by: Pumukli |
preparation of congo red
It was great, again, Magpie!
Accidentally I found a brief description of Congo Red in one of my o ... |
8-6-2016 at 02:51
by: Pumukli |
Something bothers me for so long
Eons ago my physics teacher -who knew that I was interested in chemistry- tried mocking me and point ... |
24-5-2016 at 10:10
by: Pumukli |
Alizarin synthesis
Corrections to my previous comment in this thread:
1,4-dihydroxy-anthraquinone is NOT purpurin. I ... |
27-4-2016 at 12:20
by: Pumukli |
Which stirrer to buy?
Hello All,
I'm at the point of ([i]not turning back[/i]) burying some money in a hotplate-magneti ... |
27-4-2016 at 00:08
by: Pumukli |
preparation of thymolphthalein
Nice work, Magpie!
It seems we share a quite wide field of interest regarding organic synthesis b ... |
26-4-2016 at 23:01
by: Pumukli |
Alizarin synthesis
Dunno, I'd prefer it would be the 1,2-dihydroxy variety. :-)
Anyway, if you want less uncertainty ... |
26-4-2016 at 09:14
by: Pumukli |
Chemistry of Terephthalic acid
I agree, I could find only high temperature / high pressure methods for transesterification.
This ... |
24-4-2016 at 07:42
by: Pumukli |
Chemistry of Terephthalic acid
Yesterday evening I filtered the precipitate from the PET-slices - methanol mixture becasue it was h ... |
22-4-2016 at 01:53
by: Pumukli |
Nitromethane, nitroethane, nitropropane synthesis via industrial route
Melgar,
Dr. Hass and his students in 1930 or so who first run this process succesfully only heate ... |
18-4-2016 at 06:57
by: Pumukli |
Chemistry of Terephthalic acid
I can't check the melting point (or just could provide a crude estimate of it) because I don't have ... |
18-4-2016 at 06:24
by: Pumukli |
dimethylation procedures & reagent choice
Chemrox,
At the weekend I came across a few di- and mono-methylating processes while I was search ... |
18-4-2016 at 06:04
by: Pumukli |
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