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Unused Edwards RV3 high vacuum pump for sale
Hello everyone!

Some time ago I got my hands on a relativley cheap unsued Edwards RV3. I thought ...
4-7-2019 at 15:55
by: DrScrabs
Does anyone have a prefered method for synthesis of acetaldehyde?
You answered your question on your own, use the hydrate.
Be careful as the reaction tends to runawa ...
4-7-2019 at 00:59
by: DrScrabs
Benzaldehyde By Reduction Of Benzoic Acid
It´s possible to reduce benzoic acid to the aldehyde with hydrogen in a tube funace.
User Organiku ...
3-7-2019 at 13:15
by: DrScrabs
Does anyone have a prefered method for synthesis of acetaldehyde?
[rquote=616455&tid=151528&author=rockyit98]acetylene hydration using HgSO4 and H2SO4
HC≡C ...
2-7-2019 at 16:36
by: DrScrabs
Screwed soap cleaning soln, how to proceed?
Yes it is, used .5L of dish washing soap and a rinse with hot sulfuric acid followed by lots of dH2O ...
17-5-2019 at 13:08
by: DrScrabs
Screwed soap cleaning soln, how to proceed?
So I discarded the cleaning sol and the result was awful. All my glassware is now covered in a thin ...
16-5-2019 at 08:41
by: DrScrabs
CAS-Nr.:19718-92-4 to trade
In the fischer the acetal has to undergo hydrolysis first, maybe the methy hydrolyses more readily t ...
15-5-2019 at 01:02
by: DrScrabs
CAS-Nr.:19718-92-4 to trade
[rquote=612565&tid=81228&author=Keras]

Isn't that CAS 1116-77-4?
Also, € 3 per gram is ...
14-5-2019 at 23:20
by: DrScrabs
HNO3 and it´s salts from 2NH4NO3·(NH4)2SO4 double salt
Thanks for pointing out my error, I looket at the data per 100ml, I corrected it in the original pos ...
14-5-2019 at 09:13
by: DrScrabs
HNO3 and it´s salts from 2NH4NO3·(NH4)2SO4 double salt
Hello everyone!

Today I found 2NH4NO3·(NH4)2SO4 25kg for 30 bucks. If there is any cheap way to ...
14-5-2019 at 08:26
by: DrScrabs
Screwed soap cleaning soln, how to proceed?
@ficolas gasoline has so many different additives, also to get rid of it and the fire hazard are st ...
14-5-2019 at 05:15
by: DrScrabs
CAS-Nr.:19718-92-4 to trade
bump
11-5-2019 at 13:42
by: DrScrabs
Screwed soap cleaning soln, how to proceed?
I am not seeking to remove the oil, I am a bit lazy atm and combined with a lot of time I expect to ...
11-5-2019 at 12:01
by: DrScrabs
Posting exercises for everyone with rising difficulty?
@SWIM
Seminar is great, I will use it:

Organic chemistry seminar exercises with rising difficul ...
11-5-2019 at 10:21
by: DrScrabs
Posting exercises for everyone with rising difficulty?
Great! Love to read about the interest of you guys! I/we ´ve started to translate the exercises tod ...
11-5-2019 at 10:05
by: DrScrabs
Rex-Scientific - Awesome service!
If you are located in europe I can vouch for https://www.ebay.de/usr/glas-klaro
Not everything he ...
11-5-2019 at 08:44
by: DrScrabs
Screwed soap cleaning soln, how to proceed?
Thanks, the last time I used perfumed soap I had problems removing it, maybe it was the reason you m ...
11-5-2019 at 08:27
by: DrScrabs
Screwed soap cleaning soln, how to proceed?
Hello everyone!

So I wanted to give my glassware a nice soap bath today to remove some sticky go ...
11-5-2019 at 06:10
by: DrScrabs
wiki explosives video
yeah... video?

[Edited on 9-5-2019 by DrScrabs]
9-5-2019 at 13:02
by: DrScrabs
Posting exercises for everyone with rising difficulty?
I didn´t find it on libgen, they only have "Organic Chemistry: Structure and Function, 5th Edition ...
9-5-2019 at 00:35
by: DrScrabs
Posting exercises for everyone with rising difficulty?
I have the book "organic chemistry by Vollhardt and Schore 5th ed" and the corresponding book with t ...
8-5-2019 at 07:59
by: DrScrabs
Are there ionic compound based quasicrystals? Could these exist?
The tatoo on my back says no ;)
5-5-2019 at 16:03
by: DrScrabs
12 V vacuum pumps for filtration/distillation
I don´t know if I can add anything of value but I´ve used my 12V 3L/min membrane pump with great r ...
5-5-2019 at 11:57
by: DrScrabs
Lying With Science
36 replies 313 people watched it, yes I´m a bit responsible for it and I´m out.
3-5-2019 at 13:46
by: DrScrabs
Lying With Science
[rquote=611419&tid=149669&author=Sulaiman]
If it is too difficult a concept for you then ju ...
3-5-2019 at 13:31
by: DrScrabs
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